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Osprey Farpoint 55 vs 70: Which one is for you?

Last updated: August 6, 2021 by

Farpoint 70 in action.

As some of you know, I've been to and traveled literally everywhere from US to Europe for 2.5 years with my Farpoint 40 (read my review here). 

Maybe this is why I'm recently getting asked between Farpoint 55 vs 70 a lot. 

As you can also find out in my Best Osprey Travel Backpacks post, I recommend the 55 and not the 70 because I think 70 is just too large. 

You can even get a 40 liter pack and be perfectly fine. If you want something larger, that's OK, but don't get anything larger than 55-60.

 

Yes I'm always camp "go a little larger than you think" - but the things is, you're already "going a little larger" with 55 liters. 

If you still can't decide, maybe also check Osprey's own PackFinder tool as well for this. 

Quick Comparison

Farpoint 55

Farpoint 70

DIFFERENCES

Dimensions

S/M: 24H X 13W X 12D IN.

M/L: 25H X 13W X 12D IN.

S/M: 24H X 13W X 13D IN.

M/L: 26H X 14W X 13D IN.

Volume

S/M: 39 L main pack + 13 L daypack = 52 Liters

M/L: 42 L main pack + 13 L daypack = 55 Liters

S/M: 54 L main pack + 13 L daypack = 67 Liters

M/L: 57 L main pack + 13 L daypack = 70 Liters

Weight

S/M: 3.75 lbs

M/L: 3.9 lbs

S/M: 3.75 lbs

M/L: 3.92 lbs

SHARED FEATURES

Overall Score

87/100

Pros

Very comfortable due to (1) ample padding throughout the entire contact surface, (2) adjustable harness and (3) shoulder straps and hip belt curvatures

Zip-off day pack

Both 55 and 70 liters are sufficient for any trip length

Laptop AND tablet sleeves with very well padding to keep them safe

Easy to use

Durable

Cons

Too big to be technically carry-on friendly (read more below)

Comfort

Organization

Versatility

9/10
9/10
8/10

Features

Zip-off daypack,

U-shaped zippered main compartment opens like a clamshell which allows easy access to entire items,

Laptop & tablet sleeves 

Removable sleeping pad straps, 

Lots of tool attachment loops, 

Stowaway harness, 

2 front and 2 inner compression straps

Size options and corresponding torso heights

S/M: 15 - 19 inches

M/L: 18 - 22 inches

Compartments

Main & middle compartments and a detachable daypack

Zip off daypack

1 external zippered top stash pocket, 1 internal tablet sleeve

Pockets

3 exterior pockets: 1 external zippered scratch free top stash pocket, 2 unenclosed side mesh water bottle holders

3 interior pockets: Middle Compartment: Laptop sleeve, tablet sleeve. Main Compartment: 1 zippered mesh pocket

Laptop & tablet sleeves

Laptop sleeve: 13 x 10.5 x 1.5 inches. Meaning laptops up to 15.6" can fit.

Tablet sleeve: 9.5 x 9 x 1 inches. Meaning tablets up to 10" can fit. Although sleeve height wouldn't suffice for some tablets, they still stay inside the compartment.

Carry handles and straps

Top and side carry handles, shoulder straps, hip belt

Women's counterparts

See women's counterparts Osprey Fairview 55 and Osprey Fairview 70.

User manual

Osprey Farpoint/Fairview Series Manual[1]

Pack Dimensions

It's argued that dimensions and volumes of these packs are almost the same. I personally mailed to Osprey Customer Service to remove the dimension and volume confusion of these packs once and for all. Here's their response:

As you see, these packs REALLY have 15 liters of difference, and their dimensions are NOT "almost the same". If you're still confused, see our detailed post Dimensional Inconsistencies of Osprey Backpacks and navigate to Reason #2. 

I also asked them:

Carry on Compatibility

As Travel-made-simple.com documented[2], both packs are too big to be technically carry-on friendly for most airlines.

However, as you know, this is a grey area and mostly down to individual staff.

One trick here is to zip off your daypack as some airlines allow two carry-on items. Once you make sure about that with your airlines, your packs become more likely to be allowed as carry on.

In any case, with all other things being equal, you'd get away with Farpoint 55 more times than you'd with Farpoint 70 (duh). But, in the end, even Farpoint 55 isn't guaranteed to be allowed as carry on.

Osprey Farpoint 55 Men's Travel Backpack
1,812 Reviews
Osprey Farpoint 55 Men's Travel Backpack
  • Large, lockable U-zip duffel-style access to main...
  • Detachable daypack with designated laptop and...
  • Stowaway backpanel, shoulder straps and hipbelt...
  • Lockable zipper access to padded laptop & tablet...
  • Lockable sliders on main compartment zipper
Buy on Amazon

You may see some people claim that when these packs aren't full you can shrink the packs into smaller sizes using front compression straps.

Although it's correct that you can shrink them depth wise, it wouldn't help you with carry on status since height is the dimension that exceeds the limit the most. Both packs still wouldn't be technically carry-on size.

Osprey Farpoint 70 Men's Travel Backpack
1,053 Reviews
Osprey Farpoint 70 Men's Travel Backpack
  • Large, lockable U-zip duffel-style access to main...
  • Detachable daypack with designated laptop and...
  • Stowaway backpanel, shoulder straps and hipbelt...
  • Lockable zipper access to padded laptop and tablet...
  • Lockable sliders on main compartment zipper
Buy on Amazon

In short, it's possible to have these packs as carry-on, but it isn't guaranteed since they aren't technically carry on size for most airlines.

If checking your pack is giving you nightmares, I recommend you to forget about these packs and get an Osprey Farpoint 40, which I think is the best carry-on backpack out there.

Yes, even when you detach the daypack, Farpoint 55 and 70 are still too big to be within carry on size limits of most airlines.

Osprey Packs Farpoint 40 Travel Backpack
24 Reviews
Osprey Packs Farpoint 40 Travel Backpack
  • Large panel zip access to main compartment
  • Lockable sliders on main compartment zipper
  • Stowaway backpanel, harness and hipbelt with...
  • Laptop and tablet sleeve secure in lockable...
  • Two internal compression straps hold contents...
Buy on Amazon

Size & Fit

There are S/M and M/L size options for both packs that corresponds different torso heights. Find Farpoint Series at the bottom of Osprey's Men's Size & Fit Chart[3] embedded below:

Click on image to enlarge.

Sizing of women's corresponding Fairview Series can be found at the bottom of Osprey's Women's Size & Fit Chart[4] embedded below:

Click on image to enlarge.

You can measure your torso height at home by using Osprey's very own Size & Fit article[5]. Or you can make a guess as Uptvector.com states[6] that on average, a 5'7" male will have 17" of torso, a 5'11" male will have 19" of torso, a 5'2" female will have 15" of torso and a 5'6" female will have 17" of torso.

References

  1. Osprey Farpoint Series Manual. Retrieved from https://www.osprey.com/user_manuals/OM_FarpointFairview_F17_ENG.pdf
  2. Carry-on Size Chart, 170+ Airlines, Travel-made-simple.com. Retrieved from https://travel-made-simple.com/carry-on-size-chart/
  3. Osprey Men's Sizing Chart. Retrieved from https://www.osprey.com/images/sizing/sizing-mens-unisex.png
  4. Osprey Women's Sizing Chart. Retrieved from https://www.osprey.com/images/sizing/sizing-women-kids.png
  5. Osprey. Size & Fit. Retrieved from https://www.osprey.com/ca/en/fitting-learning/size-fit 
  6. Uptvector.com. Height, Weight, Waist, Torso, Leg Pad, Inseam, Chest Measuring Guide. Retrieved from http://www.uptvector.com/products/sport/measuring/measuring-guide/item/measuring-guide

Best Carry-On Backpacks

Last updated: August 6, 2021 by

Farpoint 40 is my top pick. 

As some of you know, I'm a huge fan of Osprey packs, and recommend Farpoint 40 (women's counterpart is Fairview 40) a lot here in this site. 

I also recommend it as the Best Osprey Travel Backpack. You can read my full Osprey Farpoint 40 hands-on review here. 

It's incredibly comfortable (even when you aren't wearing the hipbelt), durable and looks very pretty IMO. 

The first downside is that although the laptop AND tablet sleeves are very large (laptops up to 17" can fit) and well padded, having them at the backpanel would have made Farpoint 40 even more comfortable. 

Luckily, Farpoint 40 is a comfort oriented pack, so I never wished any extra comfort.

 

Second downside is that I'd like to see an internal organizer just like that of Porter 46, but it's lacking. I just use the stash pocket for that purpose - although my stuff get tangled there sometimes.

Osprey Farpoint 40 Men's Travel Backpack
3,818 Reviews
Osprey Farpoint 40 Men's Travel Backpack
  • Large, lockable U-zip duffel-style access to main...
  • Meets carry-on size restrictions for most airlines...
  • Lockable zipper access to padded laptop & tablet...
  • Stowaway backpanel, shoulder straps and hipbelt...
  • Two front mesh waterbottle pocket
Buy on Amazon
 

A noticeably less comfortable but better organized alternative to Farpoint 40 would be Porter 46. Read my Farpoint 40 vs Porter 46 post for more details.

Osprey Porter 46 Travel Backpack Black, One Size
2,018 Reviews
Osprey Porter 46 Travel Backpack Black, One Size
  • Meets carry-on size restrictions for most airlines...
  • Large U-zip luggage-style access to main...
  • Shoulder straps and hipbelt are stowable...
  • Protected rear panel lockable zip laptop/tablet...
  • Front panel organization pocket for easy access to...
Buy on Amazon
 

If you'd like to get a wheeled carry-on size pack, Osprey Sojourn 45 is the best wheeled carry-on backpack in my opinion - although I personally don't see the point of wheels under 60 L packs. 

Sojourn closer to a backpack rather than a luggage, unlike its other wheeled competitor Ozone 38 which has it the other way round. 

Overview

Turn your phone sideways for a better table display!

Osprey Farpoint 40

Osprey Sojourn 45

eBags TLS Mother Lode Weekender Convertible

 Price not available
Price not available
Price not available

Overall Score

91/100
83/100
79/100

This product is a Crunch Top Pick!

  • Best Travel Backpack
  • Best Carry-on Backpack

This product is a Crunch Top Pick!

  • Best Wheeled Backpack 

Osprey Farpoint 40

Osprey Sojourn 45

eBags TLS Mother Lode Weekender Convertible

  • Comfort
  • Organization
  • Versatility
10/10
8/10
9/10
8/10
7/10
10/10
6/10
10/10
7/10

Pros

Very comfortable, large laptop AND tablet sleeves are well padded to keep your electronics safe, stow away harness, very durable, lots of external gear attachment options, sits upright when put down, very pretty

Spectacular versatility, both wheeled luggage and backpack uses perform very good, daisy chains

Excellent organization, lots of zippered exterior and interior pockets

Cons

Having the laptop in a backpanel compartment instead of in the middle could have made this pack even more comfortable due to better weight distribution

Heavy, no laptop or tablet sleeves

Not ideal for walking long distances because of poor suspension

Osprey Farpoint 40

Osprey Sojourn 45

eBags TLS Mother Lode Weekender Convertible

Size options and corresponding torso heights

S/M: 15 - 19 inches

M/L: 18 - 22 inches

One size fits all

One size fits all

Compartments

Main & middle compartments

Main compartment

Main & front compartments

Pockets

6 Pockets: 1 external zippered pocket, laptop sleeve, tablet sleeve, 1 internal zippered mesh pocket, 2 unenclosed side mesh water bottle holders

3 Pockets: 1 external top zippered pocket, 2 internal zippered mesh pocket

10 Pockets: 2 external zippered pocket, 4 internal zippered sleeve, 1 internal mesh zippered pocket, 1 internal zippered pocket, zippered laptop sleeve, 1 unenclosed side mesh water bottle holder

Laptop & Tablet Sleeves

Laptop sleeve: 14 x 11 x 1.5 inches. Meaning laptops up to 15.6" can fit perfectly. For 17" laptop, sleeve height doesn't suffice but laptop still stays inside the pack[2].

Tablet sleeve: 10.5 x 10.5 x 1 inches. Meaning tablets up to 10" can fit. 

N/A

Laptop sleeve: 11.75 x 19 inches (depth adapts. See review). Meaning any laptop or tablet can fit.

Osprey Farpoint 40

Osprey Sojourn 45

eBags TLS Mother Lode Weekender Convertible

Uses

Top carry handle, duffel bag strap, backpack

Top, side and bottom carry handles, backpack, wheeled luggage

Top, side and bottom carry handles, duffel bag strap, backpack

Osprey's Daylite Daypack attachability

No

Yes

N/A

Manual

Manual[3]

Manual[4]

N/A

Specs

S/M: 3.11 lbs, 38L, 22x14x8 inches

M/L: 3.17 lbs, 40L, 22x14x9 inches 

7.9 lbs, 45L, 22x14x9 inches

3.7 lbs, 32.77L, 21.5x13-14x5.5 inches

Women's counterpart

Fairview 40

Unisex

Unisex

Table of Contents
Overview
What size is a carry-on size?
#1) Osprey Farpoint 40
Summary
Comfort
Organization
Versatility
#2) Osprey Sojourn 45L/22” Wheeled Luggage Review
Summary
Comfort
Organization
Versatility
Osprey Sojourn vs Ozone vs Meridian
#3) eBags TLS Mother Lode Weekender Convertible Review
Summary
Comfort
Organization
Versatility
References

What size is a carry-on size?

  • Listen up fellow globetrotters

There is no standardization for the maximum allowable carry-on luggage size. Different airlines have different regulations.

However, most of the biggest airlines by passenger count[5] such as American Airlines, Delta Airlines, United Airlines, AirAsia and China Southern Airlines draw the line[1] at 22(H) x 14(W) x 9(D) inches (=56(H) x 36(W) x 23(D) cm).

Example: United Airlines carry-on size checker.

A technically carry-on size pack meets all height, width and depth dimensions at the same time as the checker requires. Packs aren't made of steel, though, so it's very highly likely that you'll be perfectly fine with other airlines that require, for example, 21.5 inches of height such as Lufthansa.

Plus, most of these .5 or .7 inches of differences stem from converting metric to imperial and vice versa. For example, carry-on requirement of Lufthansa is declared[6] as 55 x 40 x 23 cm (=21.5 x 15.7 x 9 inches), but also Lufthansa itself states here[7] on a different subject that 55 x 40 x 23 cm is equivalent to 22 x 16 x 9 inches.

That's why, in this post, carry-on size is considered as 22 x 14 x 9 inches.

#1) Osprey Farpoint 40

Osprey Farpoint 40 is clearly the winner as it fills the bill in all aspects.

Summary

Osprey Farpoint 40 is, single handedly, the best carry-on backpack.

The biggest pro of this pack is that it provides unbeatable comfort. Whole contact surface (shoulder straps, hip belt and back panel) is extremely well padded and curved, providing seamless fit and comfort, allowing walking very long distances.

  • Read the full hands on review

Click on the image below for the full review of Osprey Farpoint 40.

The only gripe about this pack is that laptop and tablet sleeves come in the middle compartment instead of between main compartment and backpanel. As they're placed away from your body they create more moment on your torso and expected to pull your shoulders down and decrease comfort. Luckily you don't feel any noticeable comfort deficiency in Farpoint 40 as it exceeds comfort expectations in all other aspects.

  • Although Osprey Porter 46 isn't within 22x14x9 inches limits, it's compared to Farpoint 40 most of the time. See our comparison post if you'd like to see more detailed information regarding both packs.

Comfort

Exceptional comfort is what makes Farpoint 40 so popular among travel backpacks.

Backpanel, shoulder straps and hip belt are all generously padded. Thicknesses and curves accommodate the anatomy of shoulders, chest and neck. Load lifter is adjustable and provides a built in whistle.

Pleasant Atilon foam covered with mesh throughout the entire backpanel creates comfortable contact with the pack and transfers the load from core to the peripheral frame. The lid you see (on left) between the hip belts is used for stow away and easily tucked under the pack (not tucked in this photo) while using the harness.

3.5 mm LightWire peripheral frame conveys the load from harness to hip belt. When hip belt carries the load, our hip muscles which are the largest muscles in our body as explained by BCcampus[8]. As the study Epstein et al conducted in 2017[9] concluded, this helps you walk longer without any extra exhaustion.

Osprey's own size & fit chart[10] below shows the torso heights corresponds to S/M and M/L sizes.

Find Farpoint at the bottom.

Organization

Besides main compartment, there's a middle compartment with a 14(H) x 11(W) x 1.5(D) inches (36(H) x 28(W) x 3.755(D) cm) of laptop sleeve and a 10.5(H) x 10.5(W) x 1(D) inches (27(H) x 27(W) x 2(D) cm) of tablet sleeve - meaning that up to a 15.6" laptop and a 10" tablet can fit.

Main compartment zipper reach all the way to the bottom. It allows opening like a suitcase and easy access to the entire compartment. The cons are that a traveler organizer is lacking and laptop & tablet sleeves aren't located the closest to your body and so not optimized in terms of weight distribution.

Besides compartments, there's a slash pocket at the front and two mesh water bottle holders at sides.

Stretch (scratch-free) slash pocket is perfect for frequently used items.

External dual upper and lower front compression straps (1) secure your items and (2) shrink the pack into smaller sizes to incraese stability when not fully loaded.

Dual compression straps inside the main compartment secure your load further.

Versatility

Although Farpoint 40 is a travel backpack first, it can be used in multiple ways. 

Farpoint 40 performs perfectly well for hiking/camping as you can walk very long distances with it comfortably. The only time it'd come incomplete is 3+ days of hiking/camping trips because of its medium volume of 38-40 liters.

Red boxes show carry handles.

Another way is to stow away the Farpoint 40 harness and use it as a hand luggage with carry handles or as a duffel bag with removable duffel bag strap.

Bottom line, Osprey's Farpoint 40 is a very comfortable and versatile carry-on size travel backpack with a lean towards outdoor activities.

Osprey Farpoint 40 Men's Travel Backpack
3,818 Reviews
Osprey Farpoint 40 Men's Travel Backpack
  • Large, lockable U-zip duffel-style access to main...
  • Meets carry-on size restrictions for most airlines...
  • Lockable zipper access to padded laptop & tablet...
  • Stowaway backpanel, shoulder straps and hipbelt...
  • Two front mesh waterbottle pocket
Buy on Amazon

#2) Osprey Sojourn 45L/22” Wheeled Luggage Review

Summary

Osprey Sojourn 45L/22" is the most versatile carry-on backpack.

It comes with a promising chassis and a quite comfortable stow away harness. Unlike Osprey Meridian or Ozone, Sojourn performs perfectly fine with both uses.

Although suspension doesn't feel as comfortable as Farpoint 40 beceause of its extra chassis weight, it's surprisingly very comfortable, and definitely more comfortable than eBags TLS Mother Lode Weekender Convertible.

The biggest con of Sojourn is its organization. It doesn't offer any laptop or tablet sleeves. It has one compartment and only one exterior zippered pocket at the top. Fortunately it has dual front compression straps, daisy chains and the main compartment offers plenty of room.

Comfort

Osprey Sojourn 45L/22" is converted into a backpack when the suspension system stowed inside the backpanel are unzipped.

Design intention of Osprey Sojourn 45L/22" is a do-it-all backpack rather than a legit single comfortable backpack.

Still, it comes with ample padding on shoulder straps, backpanel and hipbelt covered with pleasant mesh. Thickness of shoulder straps are optimized and adapt anatomical shoulder and chest curves. 

Although the comfort it offers can't compete with Osprey Farpoint 40 as no pack can, it's very promising for a do-it-all wheeled backpack and feels more comfortable than eBags TLS Mother Lode Weekender Convertible.

Organization

Main compartment with double U-shaped zipperes opens like a clamshell, allowing easy access to the entire compartment when lying on the floor.

As you see there're two mesh zippered pockets inside the main compartment.

Top zippered pocket comes handy for storing any frequently used items.

Fragile frequently used items such as sunglasses won't get scratched because of the stretchy fabric of top zippered pocket.

On top of that, external upper and lower compression straps and daisy chains allow attaching extra gear. 

Versatility

Obviously versatility is what makes this pack very special and one of the best packs in the market.

Most packs that allow both wheeled luggage and backpack use shift one side too much ending up being insufficient for the other. Unlike them, Sojourn is spectacularly well balanced between.

To begin with, lightweight and high rolling clearance HighRoad Chassis ensures a high quality ride over any texture and is superior to the majority of wheeled luggages out there. Along with Osprey's All Mighty Guarantee they make Osprey Sojourn 45L/22" a legit wheeled luggage.

Lightweight chassis benefits backpack use as well. I agree that Osprey Sojourn 45L/22" is a heavy pack, but the extra weight sacrifice comes very minor when you think about the added benefit of exceptional versatility.

Osprey Sojourn vs Ozone vs Meridian

Osprey Sojourn 45L/22in is commonly compared to Osprey Ozone 46L/22in and Osprey Meridian 60L/22in as they're all 22(H) x 14(W) x 9(D) inches. I'm going to summarize them briefly as they have tons of differences, yet it'll be enough to grasp their design intentions.

In terms of comfort, Osprey Sojourn offers the best by far, with Ozone being slightly superior to Meridian. This is what puts Ozone and Meridian on wheeled luggage of the fence, and fall short of backpack use. Which is also why Sojourn happens to be the most versatile.

As for organization, Ozone and Meridian come with detachable daypacks. Sojourn is a daypack attachable pack, but doesn't come with one. Plus, Ozone and Meridian offer more pockets such as laptop sleeves - which aren't available in Sojourn. 

Since we're talking about backpacks in this post, Osprey Sojourn is clearly the winner.

You can find Osprey Ozone Series User Manual here[11] and Osprey Meridian Series User Manual here[12].

Osprey Packs Sojourn Wheeled Luggage, Nitro Green, 45 L/22'
147 Reviews
Osprey Packs Sojourn Wheeled Luggage, Nitro Green, 45 L/22"
  • Lightweight, high-rolling clearance HighRoad...
  • Long haul capable deployable harness, hip belt and...
  • Back panel suspension components are removable for...
  • Dual Straight Jacket compression straps to secure...
  • Dual tube extended handle for control of large...
Buy on Amazon

#3) eBags TLS Mother Lode Weekender Convertible Review

Summary

eBags TLS Mother Lode Weekender Convertible is an excellent carry-on travel suitcase with straps that offers perfect organization.

Terrific organization is very well thought and responds to user feedbacks. It comes with a front compartment with traveler organizer, a main compartment with an internal zippered mesh pocket and an internal zippered pocket, one front zippered pocket, a top U-shaped zippered pocket, a large laptop sleeve and a hideaway water bottle holder.

3 carry on handles at the bottom, top and side, a duffel bag strap, stow away harness and a removable waist belt allow multiple uses.

The biggest con about this pack is that harness is poor and hence lacks comfort while walking long distances.

Comfort

Although stow away shoulder straps and both removable adjustable sternum strap and waist belt are great to have and provide versatility, they aren't designed to walk on trail or long distances.

Waist belt is very poor when compared to Osprey Farpoint 40. Shoulder straps aren't padded and thick enough to provide sufficient comfort walking anything longer than 30 mins.

Organization

There're two compartments: front and main.

Main compartment with two internal compression straps opens like a suitcase and not like a top loading backpack. Unsnappable (removable) divider at the center prevents your top load from falling downwards.

Besides the zippered large mesh pocket, an additional zippered internal pocket is offered as you see in right photo. 

Front compartment is accessed with a U shaped zipper. It's front loaded (NOT top loaded), so the bag must be lying on the floor or somewhere else for truly proper access.

Traveler organizer in the front compartment provide separate organization for your frequently used items and prevent them from getting tangled with each other. Also there's a keyclip as you can see in left photo.

Papers that you need quick access to such as your itinerary, boarding passes, passports are usually stored in front zippered narrow pocket. U shaped top zippered pocket offers more room and proper for bulkier items needed readily available like gloves, charger, earphones etc.

Laptop compartment is located beneath main compartment and large enough to store any size. Plus, if you don't travel with a laptop you don't waste space since main compartment extends inward and utilizes laptop compartment space.

Additional organizational features are a hideaway water bottle holder and a tuck away ID pocket alongside.

Versatility

In addition to shoulder straps and waist belt for backpack use, there are 3 carry on handles and a removable adjustable duffel bag strap. 

There are (1) carry-on hand luggage, (2) backpack and (3) duffel bag uses of TLS Mother Lode Weekender Convertible.

Top and bottom carry handles are usually used together for storing in and out of the trunk or into the overhead bin.

ebags Mother Lode Travel Backpack (Tropical Turquoise)
209 Reviews
ebags Mother Lode Travel Backpack (Tropical Turquoise)
  • KEY FEATURES: Padded laptop sleeve fits up to 19",...
  • TRAVEL BENEFITS: 2 exterior quick-grab zip...
  • ORGANIZATION: Easy access front zip compartment...
  • BREATHABLE & COMFORTABLE: Breathable back panel...
  • DIMENSIONS: Exterior Dimensions - 22" X 14" X 9";...
Buy on Amazon

References

  1. Carry-on Size Chart, 170+ Airlines, Travel-made-simple.com. Retrieved from https://travel-made-simple.com/carry-on-size-chart/
  2. Youtube. "Osprey 40 litre fits alienware 17 r2 into laptop sleeve". Retrieved from https://www.youtube.com/watch?v=dnrUfZVdJog
  3. Osprey Farpoint 40 Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_FarpointFairview_F17_ENG.pdf 
  4. Osprey Sojourn Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_Sojourn_F16_ENG.pdf 
  5. Gulliver. (2015, June). The world's largest airlines. Retrieved from https://www.economist.com/gulliver/2015/06/24/domestic-bliss
  6. Carry-on baggage rules at Lufthansa. Retrieved from https://www.lufthansa.com/us/en/Carry-on-baggage
  7. Transporting animals as additional carry-on baggage in the cabin. Retrieved from https://www.lufthansa.com/online/portal/lh/us/infoservice/baggage?nodeid=1304895278&l=en&cid=1000390
  8. Anatomy and Physiology, BCcampus. The Muscular System. Chapter 11.6: Appendicular Muscles of the Pelvic Girdle and Lower Limbs, p. 78. Retrieved from https://www.loc.gov/rr/scitech/mysteries/muscles.html
  9. Epstein, Yoram et al. (2017). Mitigating load carriage burden – The Dynamic Weight Distribution (DWD) hip belt. Journal of Science and Medicine in Sport, Volume 20, S101. Retrieved from http://www.jsams.org/article/S1440-2440(17)31506-2/pdf
  10. Osprey. Size & Fit. Retrieved from https://www.osprey.com/ca/en/fitting-learning/size-fit 
  11. Osprey Ozone Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_Ozone_F15_ENG.pdf
  12. Osprey Meridian Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_Meridian_F16_ENG.pdf

Osprey Aura vs Ariel

Last updated: August 9, 2021 by

I'm a huge fan of Aura AG 65. Hands down the overall best backpacking backpack in my opinion (along with its men's counterpart Atmos AG 65).

As some of you know, when it comes to gear, I review Osprey backpacks a lot (find full list at the bottom of this post) in this site.

...and recently I also get asked a lot about Osprey Ariel vs Aura comparison, so here you go.

Along with Viva 50 and Kyte 46, Aura AG 65 is one of my top overall picks, as you can see in my popular best Osprey backpacking backpacks post.

But... there are some cases where an Ariel AG would be a more suitable option. 

Adjustable AG (AntiGravity) Backpanel Suspension System of both packs feels exceptionally comfortable and keeps your back more ventilated than other women's backpacks - although Aura AG 65 feels more comfortable unless your entire equipment is quite heavy.

Its numerous exterior and interior pockets allow organizing your items and have most of them readily available as well - although Ariel AG 65 offers superior organization and features. 

  • "Wait, why did you choose to compare the 65 L versions of these packs and not the others?"

Because, as you can see in our Osprey Aura 50 vs 65 and Osprey Ariel 55 vs 65 vs 75 posts, we found that they're the best products of their own lines.

So...

If you'll be participating 5+ days of backpacking trips a lot and/or hauling heavy loads...

Then Ariel AG 65 will probably be a more suitable option for you. You can also (maybe) see this in the chart I've put together below:

Mainly because of its bulkier suspension system, convertible top lid daypack (available in US & Canada only) and an additional central access (through front J-zip) to the main compartment.

Quick Comparison

Osprey Aura AG 65

Osprey Ariel AG 65

Overall Score

92/100
84/100

Pros

The best women's backpacking backpack we tested,

Excellent fit and comfort is ensured by exceptional adjustability,

Incredible ventilation,

Relatively lighter,

Very versatile

Convertible top lid daypack,

Extremely well designed for carrying heavy loads,

Top AND front access to main compartment,

Front straightjacket compression straps to stabilize the load further and attach extra gear

Cons

Hip belt makes noise while walking with the pack as a result of its sturdy structure

Hip belt makes noise while walking with the pack as a result of its sturdy structure,

Relatively heavier

Best for

Those who are looking for a complete backpack to participate a wide range of activities that performs very well with heavy AND light loads

Those who are looking for a pack specifically designed to participate very long (5+ days) trips, winter trips, trips with kids or with very heavy loads

Osprey Aura AG 65

Osprey Ariel AG 65

  • Comfort
  • Versatility
  • Organization
  • Suspension
  • Weight
10/10
9/10
8/10
9/10
8/10
9/10
7/10
9/10
8/10
5/10

Features

Adjustable harness,

Fit-on-the-fly hip belt,

Internal hydration sleeve,

Dual access stretch mesh side water bottle holders,

Stow-on-the-go trekking pole attachments,

Dual ice tool loops,

Zippered hip belt pockets,

Removable sleeping pad straps,

Integrated FlapJacket,

Attached raincover

Adjustable harness,

IsoForm custom heat moldable hip belt,

Convertible top lid daypack,

Front access to main compartment,

Internal hydration sleeve,

Dual access stretch mesh side water bottle holders,

Stow-on-the-go trekking pole attachments,

Dual ice tool loops,

Zippered hip belt pockets,

Removable sleeping pad straps,

Integrated FlapJacket,

Compartments

Main compartment and sleeping bag compartment with a removable divider

Main compartment and sleeping bag compartment with a removable divider

Access

Top

Top, Front

Pockets

6 zippered 3 unenclosed pockets

5 zippered 3 unenclosed pockets

Compression Straps

4 at sides, 1 internal

4 at sides, 2 at the front, 1 internal

PRODUCT SPECS

Osprey Aura AG 65

Osprey Ariel AG 65

WXS

Dimensions: 29.53H X 14.96W X 15.75D IN.

Weight: 4.26 lbs

Volume: 60L

Dimensions: 29.53H X 15.35W X 12.6D IN

Weight: 4.856 lbs

Volume: 59L

WS

Dimensions: 31.5H X 14.96W X 15.75D IN

Weight: 4.34 lbs

Volume: 62L

Dimensions: 31.5H X 15.35W X 12.6D IN

Weight: 4.905 lbs

Volume: 62L

WM

Dimensions: 33.46H X 14.96W X 15.75D IN

Weight: 4.42 lbs

Volume: 65L

Dimensions: 33.46H X 15.35W X 12.6D IN

Weight: 4.954 lbs

Volume: 65L

WL

N/A

Dimensions: 35.43H X 15.35W X 12.6D IN

Weight: 5.004 lbs

Volume: 68L

User manual

Osprey Atmos/Aura Series Manual

Osprey Aether/Ariel Series Manual

See our men's Osprey Atmos vs Aether comparison!

Table of Contents
Quick Comparison
Short Summary
Osprey Aura AG 65 Review
Osprey Ariel AG 65 Review
Suspension
Backpanel
Shoulder Straps
Hip Belt
Storage
Compartments
Main compartment
Kangaroo pouch
Sleeping bag compartment
Top lid
Additional pockets
Compression Straps
Size, Volume and Weight
Durability
Features & Gear Attachments
Hydration Sleeve
Trekking Pole Attachments
Ice Tool Loops
Removable Sleeping Pad Straps
Colors
Manuals
Conclusion
References

Aura AG and Ariel AG packs being sold inside and outside US stores are different. For online purchases, you should always read the product description regardless of the whereabouts of retailer. 

To remove the confusion about store purchases, I personally mailed to Osprey Customer Service and here's their response:

Removable raincover is contained inside the upper top lid zippered pocket in both products.

Short Summary

Osprey Aura AG 65 Review

We found Osprey Aura AG 65 to be the women's best backpacking backpack. 

Excellent all purpose design makes Aura AG 65 perfect for any outdoor activity with both heavy and light loads.

Through state-of-the-art Anti-Gravity suspension system and exceptional hip belt and harness adjustability, it provides the best customized fit, perfect comfort and incredible ventilation.

Osprey Aura AG 65 Women's Backpacking Backpack
370 Reviews
Osprey Aura AG 65 Women's Backpacking Backpack
  • Anti-Gravity suspension - feels like you are...
  • Adjustable harness and Fit-on-the-Fly hipbelt to...
  • Front stretch mesh pocket for quick storage of...
  • Removable floating top lid with dual zippered...
  • Internal hydration reservoir sleeve accommodates...
Buy on Amazon

Ariel AG 65.

Osprey Ariel AG 65 Review

Structure of Osprey Ariel AG 65 is bulkier. It has a burly suspension system and a very thick and sturdy hip belt. I know that it kind of sounds undesirable, especially in terms of weight, and I don't disagree. But it qualifies with heavier loads.

If you're planning hiking/camping trips mostly with your children, heavy loads or during winter, Ariel AG 65 will definitely make you feel more comfortable.

Another area that Ariel AG 65 prevails against Aura AG 65 is overall organization and features. Unique convertible top lid daypack and J-Zip front access to main compartment prove the extended trip/heavy load design intention of Ariel AG 65.

Osprey Ariel AG 65 Women's Backpacking Backpack (2020 Model)
95 Reviews
Osprey Ariel AG 65 Women's Backpacking Backpack (2020 Model)
  • Removable top-lid converts to DayLid daypack
  • Top to bottom suspended mesh wraps shoulders, back...
  • Front stretch mesh pocket and zippered hipbelt...
  • Side panel zip provides quick access to main...
  • Internal hydration reservoir sleeve accommodates...
Buy on Amazon

Before I get down to the nitty gritty, I'd like to remove a popular confusion about these products.

  • Anti-Gravity suspension systems of Aura AG and Ariel AG aren't the only upgrade to previous Aura and Ariel (without the AG's) models. Don't use the information given in this article to decide between previous models.

Aura AG and Ariel AG are Osprey's women's specific backpacking backpacks. Aura AG Series offer two different options with 50 and 65 liters while Ariel AG Series offer 55 and 65 liters, and hence the names.

  • Different volumes mean different products. Don’t use the information given in this article for Aura AG 50 or Ariel AG 55 backpacks.

We found that larger volume models are superior, -a more detailed post about this later-, so we're comparing 65 liters models of both products.

Men's specific counterparts to the Aura AG and Ariel AG series are Atmos AG and Aether AG respectively. If you're looking for Atmos AG vs Aether AG comparison, see our related post. 

Suspension

Backpanel

  • Quick difference: Heavy, bulky back panel of Ariel AG 65 performs better with heavier loads. Aura AG 65 provides exceptional ventilation with lighter, more flexible and versatile back panel.

Both backpacks are supported with the anti-gravity suspension system, which is the latest suspension technology of Osprey.

AG backpanels of Aura AG 65 (left) and Ariel AG 65 (right). They're covered by a mesh foam and generous thick padding reaching from the very top all the way down to the hip belt. 

Design intention of AG system is to make you feel like you're not even wearing the pack.

AG suspension system close-up (photo belongs to Osprey Aura AG).

AG system improves your overall outdoors experience on 3 different aspects: 

  1. Comfort: AG backpanel conveys the majority of weight to your hips, which are the largest muscles in human body as explained by Library of Congress in 2017[1]. This way you're kept less exhausted and able to walk longer distances more comfortable, as proven by the study of Epstein et. al. concluded in 2017[2].
  2. Ventilation: Air flow between your back and the backpanel is increased with AG system. Aura AG 65 provides incredible ventilation. Ventilation of Ariel AG 65 is legit but not as good as Ariel AG 65. 
  3. Stability: Your load and the backpack is stabilized by keeping them close to your body through AG suspension. Stability of Ariel AG 65 is superior with heavier loads but lacks with lighter loads. On the other hand, Aura AG 65 provides equally well stability regardless of load variance.

Women's specific customized seamless fit  (photo belongs to Osprey Aura AG).

In short, back panel of Ariel AG 65 is bulkier, and actually a little too bulky to perform as good as Aura AG 65 with lighter loads. However, both packs promise to keep you less exhausted and sweaty along the way.

Shoulder Straps

  • Quick difference: None

Shoulder straps are equipped with innovative adjustable stiffeners at the load lifter portion. 

Since the stiffeners are adjusted after wearing the pack, the better fit is achieved and hence the more load is mitigated from your shoulders.

Thickness, padding and seams are very decent in both products. 

Straps of both packs are very thick and well padded. Another thing worth mentioning is that besides the inner surface of the straps, seams reach to the outer surface as well (shown in red box - available in both products). This way it's completely ensured that the straps won't chafe your shoulders.

Hip Belt

  • Quick difference: Hip belt of Aura AG 65 is adjusted easier, has better bodyweight change adaptability and results in perfect fit. Thicker and more sturdy hip belt of Ariel AG 65 performs better with heavier loads only.

Two different innovative approaches are followed by Osprey for these products.

Fit-on-the-fly hip belt of Aura AG 65 is adjusted by pulling the lid inside the hip-belt after wearing the pack, which always makes the adjustment better and easier.

Osprey Aura AG 65 Fit-on-the-fly hip belt adjustment.

Hip belt of Ariel AG 65 is adjusted by visiting an Osprey dealer where an Osprey oven is available. They heat the hip-belt there and mold it to your hip.

For online purchases, custom heat molding is serviced in a local CM Certified Dealer anywhere near you upon paying extra cost.

Honestly, any hip belt is molded to your waist naturally. Molding process only speeds up the progress, so you don't have to worry about drastic bodyweight/waist size changes. Plus, you can remold the belt up to 3 times.

Hip belt of Ariel AG 65 is thicker and more sturdy, which is why Ariel AG 65 performs so well with heavy loads.

I don't have any problems with Ariel AG 65 hip belt, as it's pretty much above the market standards. It's just that hip belt of Aura AG 65 works so well it's difficult to compare any other pack with it. 

The only gripe we had with these belts is that they both squeak fairly while walking with them. To us, that's tolerable.

Storage

  • Quick difference: Unlike Aura AG 65, Ariel AG 65 comes with a convertible daypack in US/raincover in EU and a J-Zip front access to main compartment. Aura AG 65 has 6 zippered and 3 unenclosed pockets, Ariel AG 65 has 5 zippered and 3 unenclosed pockets.

Compartments

Main compartment

Both packs are internal frame top-loading designs.

Unlike Aura AG 65, Ariel AG 65 offers an additional entrance to the main compartment from front. It's not an ordinary feature and makes all your items readily available. You don't have to dig through your equipment to reach an item stuck at the center. 

Sure you can pack your items considering the frequency of use, but it's still a premium and very useful feature to have.

Kangaroo pouch

A mesh unenclosed pocket (pouch) at the front surface is offered in both products. They offer plenty of room and usually utilized for storing wet, smelly or dirty items to keep them away from your inner drier equipment.

 Photo belongs to Osprey Aura AG.

Sleeping bag compartment

Sleeping bag compartment is larger than a bear canister and is separated from the main compartment by a removable divider in both products. 

 Photo belongs to Osprey Aura AG.

Top lid

Pockets: 2

Top lids of both packs are floating type, meaning that you can remove them or shift them upwards to accept overloading.

When removed for lighter use, FlapJacket covers the top entrance and is buckled to the front surface.

 Photo belongs to Osprey Aura AG.

There are two zippered pockets on top of each other opening to the backside of the pack:

 Photo belongs to Osprey Aura AG.

Convertible Daypack (US) / Raincover (Outside US)

As it's clarified Quick Comparison section in the beginning of this post, this difference only applies to store purchases. For online purchases, you should always read the product description regardless of the whereabouts of online retailer:

Aura AG 65

Ariel AG 65

US

N/A

Convertible Daypack

Outside US

Raincover

Raincover

Because of convertible daypacks of other brands, I was biased against the daypack of Ariel/Aether AG Series to be poor at first. 

But when you remove the top lid, unzip the compartment at the top and reveal the shoulder straps inside this lid turns into a completely legit daypack that you can use perfectly for any daily activity.

It has two compartments and a gear loop - and it's even hydration compatible!

Raincover is attached inside the top lid compartment and is removable.

Photo belongs to Osprey Aura AG.

  • Make sure drying the raincover after use to avoid mildew.
AddOns Pack Attachment

It's possible to attach a Daylite Daypack to Ariel AG 65, but not to Aura AG 65.

Additional pockets

Hip belt pockets

Aura AG 65: 2 zippered pockets
Ariel AG 65: 2 zippered pockets

Hip belt pockets are larger than smartphones and are useful to store frequently used items such as your phone, snacks, sunscreen etc.

Front zippered pockets

Aura AG 65: 2 zippered pockets, 1 unenclosed pouch
Ariel AG 65: 1 unenclosed pouch

2 zippered pockets at the front of Aura AG 65 reach all the way down and offerplenty of room.

Top lid zippered pockets

Aura AG 65: 2 zippered pockets
Ariel AG 65 inside US: Convertible Daypack
Ariel AG 65 outside US: 3 zippered pockets

Ariel AG 65's outside US provides an additional internal mesh pocket with a keyclip inside the top lid:

Sides

Aura AG 65: 2 unenclosed mesh water bottle holders
Ariel AG 65: 2 unenclosed mesh water bottle holders

In addition to standardized vertical installation, horizontal installation option offered in both packs makes storing your water bottle while wearing them very easy.

Higher upper installation borders in Ariel AG 65 lead to deeper pockets.

You can use the small loop below to reach and widen the mesh pockets for easier installation.

Photo belongs to Osprey Aura AG.

Also you can collaborate these mesh holders with upper (and maybe also lower) compression straps for a secure external gear attachment.

Photo belongs to Osprey Aura AG.

Compression Straps

  • Quick difference: Ariel AG 65 provides 2 additional front compression straps

Aura AG 65: Dual upper and lower side compression straps, one internal top entrance compression strap

Ariel AG 65: Dual upper and lower side compression straps, one internal top entrance compression strap, 2 front straightjacket compression straps

Red internal compression strap cinches the load downwards and adds stability:

Photo belongs to Osprey Aura AG.

In addition to dual upper and lower side compression straps, Ariel AG 65 provides 2 front compression straps additionally:

While packing light, burly suspension system of Ariel AG requires compression from multiple angles to prevent wobbling and decrease comfort, so it's well thought to add extra front compression straps.

Size, Volume and Weight

Although volume does change with size, sizes aren't a choice of volume and shouldn't be regarded as such. You should choose the size that corresponds to your torso height in chart below.

Click on image to enlarge. Find Aura AG and Ariel AG on 3rd and 4th rows.

Using Osprey’s very own Size & Fit article [3], you can evaluate your torso length at home.

Volume

Weight

Dimensions

Aura AG 65 WXS

60 Liters

4.26 lbs

29.53H x 14.96W x 15.75D

Aura AG 65 WS

62 Liters

4.34 lbs

31.5H x 14.96W x 15.75D

Aura AG 65 WM

65 Liters

4.42 lbs

33.46H x 14.96W x 15.75D

Ariel AG 65 WXS

59 Liters

4.856 lbs

29.53H x 15.35W x 12.6D

Ariel AG 65 WS

62 Liters

4.905 lbs

31.5H x 15.35W x 12.6D

Ariel AG 65 WM

65 Liters

4.954 lbs

33.46H x 15.35W x 12.6D

Ariel AG 65 WL

68 Liters

5.04 lbs

35.43H x 15.35W x 12.6D

Durability

Osprey offers All Mighty Guarantee[4]. Although I'm pretty sure you'll experience zero problems with both packs, it's good to know you're safe anyway.

Features & Gear Attachments

Hydration Sleeve

Aura AG 65 (left) comes with an internal hydration sleeve and Ariel AG 65 (right) comes with an external hydration sleeve behind the harness.

As opposed to internal hydration sleeves, external hydration sleeves don't make you unpack when replenishing and there's no spilling risk when overpacked.

Trekking Pole Attachments

Both packs provide Stow-on-the-Go trekking pole attachment loops on the backside which make possible stowing during the hike:

Photo belongs to Osprey Aura AG.

Ice Tool Loops

Dual ice tool loops provide tol attachment at the front of the packs with bungee tie-offs.

Photo belongs to Osprey Aura AG.

Removable Sleeping Pad Straps

Both packs offer sleeping pad straps you can attach any gear externally and make more room inside:

Photo belongs to Osprey Aura AG.

Colors

Challanger Blue, Gamma Red and Vestal Grey colors are available in Aura AG 65.

Picante Red, Boothbay Grey and Tidal Blue colors are available in Ariel AG 65.

Manuals

Osprey Aura AG 65 2018 manuals: 

US[5]/Outside US[6]

Osprey Ariel AG 65 manuals:

US[7]/Outside US[8]

Conclusion

We think that most backpackers are better with the Aura AG 65. It's exceptionally comfortable and more adaptable to a very wide range of outdoor activities with different loads.

Osprey Aura AG 65 Women's Backpacking Backpack
370 Reviews
Osprey Aura AG 65 Women's Backpacking Backpack
  • Anti-Gravity suspension - feels like you are...
  • Adjustable harness and Fit-on-the-Fly hipbelt to...
  • Front stretch mesh pocket for quick storage of...
  • Removable floating top lid with dual zippered...
  • Internal hydration reservoir sleeve accommodates...
Buy on Amazon

Ariel AG 65 is a more heavy hauling pack. If you'll be hiking with heavy weights most of the time, which means either you'll be hiking for very long (5+ days), with kids or during the winter; choose Ariel AG 65.

Osprey Ariel AG 65 Women's Backpacking Backpack (2020 Model)
95 Reviews
Osprey Ariel AG 65 Women's Backpacking Backpack (2020 Model)
  • Removable top-lid converts to DayLid daypack
  • Top to bottom suspended mesh wraps shoulders, back...
  • Front stretch mesh pocket and zippered hipbelt...
  • Side panel zip provides quick access to main...
  • Internal hydration reservoir sleeve accommodates...
Buy on Amazon

References

  1. Library of Congress. Muscles. Retrieved from https://www.loc.gov/rr/scitech/mysteries/muscles.html
  2. Epstein, Yoram et al. (2017). Mitigating load carriage burden – The Dynamic Weight Distribution (DWD) hip belt. Journal of Science and Medicine in Sport, Volume 20, S101. Retrieved from http://www.jsams.org/article/S1440-2440(17)31506-2/pdf
  3. Osprey. Size & Fit. Retrieved from https://www.osprey.com/ca/en/fitting-learning/size-fit 
  4. Osprey: All Might Guarantee. Retrieved from https://www.osprey.com/cl/en/customer-support/all-mighty-guarantee
  5. Atmos/Aura Series Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_AtmosAura_S18_ENG.pdf
  6. Atmos/Aura Series Manual outside US. Retrieved from https://www.ospreyeurope.com/wp-content/uploads/2018/02/OM_AtmosAura_S18_ENG.pdf
  7. Aether/Ariel Series Manual US. Retrieved from https://www.osprey.com/user_manuals/OM_AetherAriel_S17_ENG.pdf
  8. Aether/Ariel Series Manual outside US. Retrieved from https://www.ospreyeurope.com/shop/media/wysiwyg/UK_OM/s17/OM_AetherAGArielAG_S17_ENG.pdf

Dimensional Inconsistencies of Osprey Backpacks

Last updated: April 16, 2020 by

If you take a look at the correlations between volumes and dimensions of Osprey packs, you might recognize the inconsistencies. Numbers won't add up.

Upon research, I figured that this is because of two reasons. 

Reason 1 - Rounding

Let's consider Farpoint 40.

Osprey website lists[1] its specs as follows:

Considering M/L size, 21 x 14 x 9 inches gives 2646 cubic inches, which is equal to 43.36 liters.

However, it's listed as 2441 cubic inches and 40 liters. This inconsistency is seen in most Osprey packs.

The reason behind this inconsistency is rounding up the dimensions. We know that height, width and depth of Farpoint 40 M/L size isn't exactly 21, 14 and 9 inches - but very close.

Let's assume that height of Farpoint M/L size is between 20 - 21 inches, width is between 13-14 inches and depth is between 8-9 inches and calculate the volume for 20H, 13D and 8W.

20 x 13 x 8 inches give 2080 cubic inches, which is equal to 34.09 liters. As you see, the declared volume is between limits of 34.09 liters and 43.36 liters.

As a result, dimensions listed in specs can be rounded up or down.

Reason 2 - Pliable Materials

Let's consider a pack made of relatively more pliable materials, Kestrel 48. 

Osprey lists[2] its specs in their website as follows:

Considering M/L size, 28 x 15 x 16 inches gives 6720 cubic inches, which is equal to 110.12 liters! Huge difference.

Decreasing the dimensions by one inch and calculating 27 x 14 x 15 5670 cubic inches, which is equal to 92.91! We're not even close this time.

So I wondered about it but I couldn't come up with anything, so I mailed Osprey Customer Service - both US and EU offices. For the sake of clarity I'll use both answers and try to explain what's going on.

Click on image to enlarge.

I'm also told that;

Click on image to enlarge.

They provided me a sketch to help me imagine it easier:

Click on image to enlarge.

And this is the second reason.

Conclusion

Dimensions of some Osprey packs are rounded up or down.

Dimensions of backpacks with pliable materials aren't as high as their listings since they're the highest possible dimensions and hence their multiplication doesn't make sense in terms of volume.

#Additional note: Customer Service of Osprey is indeed as good as they say! They were super nice to me, provided sketches, replied multiple times very quickly and even offered talking on the phone.

References

  • Osprey US, Travel/Trekking Backpacks, Farpoint 40. Retrieved from https://www.osprey.com/us/en/product/farpoint-40-FARPNT40.html
  • Osprey US, Technical Backpacks, Kestrel 48. Retrieved from https://www.osprey.com/us/en/product/kestrel-48-KESTREL48.html

    • Osprey Kyte 36 vs 46

    Last updated: August 6, 2021 by

    Osprey Kyte 46. One of my top Osprey picks. 

    As some of you already know, I review Osprey backpacks a lot here in this site.

    I've been thinking of comparing Kyte 36 to 46, since Kyte 46 is one of my top Osprey backpacking backpacks - along with Viva 50 and Aura AG 65.

    So how does 46 compare to 36? 

    In summary, unlike Kyte 36; Kyte 46 has (1) an internal compression strap, (2) a vertically zippered side pocket and (3) extra 10 L of volume (duh). 46 is also more comfortable.

    Kyte 46 is recommended if you're going to be participating a decent amount of multi-day outdoor activities AND you wouldn't mind checking your pack while travelling. 

    Kyte 36 is recommended if you're an essentialist, looking for a very simple and more carry-on friendly pack which you're going to be using mostly while travelling.

    Remember, having the additional space and not needing it is always better than not having additional space but needing it!

    If you're looking for a travel backpack, though; then Kyte probably isn't the best option for you. I'd recommend you to check out Osprey Fairview 40 in that case.

    Now let's get to the bolts and nuts of Kyte 36 vs 46. 

    Quick Comparison

    Osprey Kyte 46

    Osprey Kyte 36

     Price not available
    Price not available

    Overall Score

    78/100
    74/100

    Pros

    Very comfortable as it fits perfectly because of adjustable harness, generous padding, thick straps and hip belt and two size options,

    Lightweight,

    Internal compression strap,

    Zippered side pocket,

    Side access to main compartment,

    Integrated raincover

    Very comfortable as it fits perfectly because of adjustable harness, generous padding, thick straps and hip belt and two size options,

    Lightweight,

    Internal compression strap,

    Zippered side pocket,

    Side access to main compartment,

    Integrated raincover

    Cons

    Inadequate for 4+ days of outdoor activities

    Inadequate for 2-3+ days of outdoor activities,

    No zippered front or side pockets

    Best for

    Those who have no problems checking their pack in while travelling and planning to use the pack during a fair amount of multiday outdoor activities

    Those who are looking for a very simple, more carry-on friendly pack that will be used mostly for short outdoor activities and travelling

    Osprey Kyte 46

    Osprey Kyte 36

    Comfort

    Versatility

    Organization

    Weight

    9/10
    8/10
    8/10
    9/10
    9/10
    7/10
    7/10
    9/10

    Compartments

    Main compartment and sleeping bag compartment with a removable divider

    Main compartment and sleeping bag compartment with a removable divider

    Access

    Top, side

    Top, side

    Pockets

    5 zippered 3 unenclosed pockets

    4 zippered 3 unenclosed pockets

    Compression Straps

    4 at sides (that can be leveraged for front compression as well),

    1 internal and top entrance

    4 at sides (that can be leveraged for front compression as well),

    PRODUCT SPECS

    Osprey Kyte 46

    Osprey Kyte 36

    S/M Size

    Dimensions: 26H X 14W X 14D IN

    Weight: 3.42 lbs

    Volume: 44L

    Dimensions: 25H X 12W X 12D IN

    Weight: 3.09 lbs

    Volume: 34L

    M/L Size

    Dimensions: 28H X 14W X 14D IN

    Weight: 3.55 lbs

    Volume: 46L

    Dimensions: 27H X 12W X 12D IN

    Weight: 3.2 lbs

    Volume: 36L

    #Note: As you see, dimensions and volume don't add up. See our post Dimensional Inconsistencies of Osprey Backpacks to learn more.

    User manual

    Osprey Kestrel/Kyte Series Manual

     Read More on Amazon
    Read More on Amazon

    Men's counterparts

    See men's counterpart Osprey Kestrel 48 | Price not available

    See men's counterpart Osprey Kestrel 38 | Price not available

    See our men's Osprey Kestrel 48 vs Kestrel 38 comparison.

    Table of Contents
    Quick Comparison
    Volume
    Organization
    Colors
    Conclusion
    References

    Volume

    • This post applies to the most recent (post 2016) models of Osprey Kyte 36 and 46 backpacks only. Since they are complete redesigns, DON'T use this information to decide between previous (before 2016) models.

    The primary difference between these products is obviously 10 liters of extra volume provided by Kyte 46.

    In other words, Kyte 46 provides 30% more volume than Kyte 36, which isn't minor. 

    Considering even 46 liters isn't huge, filling the additional 10 liters is usually easier than you think, and it's better to be on the safer side with extra volume.

    If you're worried about ending up not filling the pack completely and hence having it wobble on your back annoyingly - don't. Why?

    Because it's not a problem.

    Internal compression strap increases stability (available in Kyte 46 only).

    Cinch your items down using the internal compression strap at the top entrance and increase your pack's stability.

    Besides vertical compression, your load can be stabilized through reversible compression straps.

    Available in both products.

    In addition to the compression illustrated by the image above, you can compress the load horizontally as well, as the name implies:

    Now with that said...

    It doesn't mean larger pack is better for everyone.

    You'd be better off going for the Kyte 36 either you're:

    1. An essentialist and will be carrying very few gear most of the time,
    2. Going to be participating few multiday outdoor activities.

    Organization

    Kyte 46: 2 top lid pockets, 2 hip belt pockets, 2 mesh water bottle holders, 1 side vertical zippered pocket

    Kyte 36: 2 top lid pockets, 2 hip belt pockets, 2 mesh water bottle holders

    Yellow arrows indicate the end points of side vertical zippered pocket.

    Kyte 46 provides a vertical zippered pocket, which's the only difference in terms of organization.

    It's intended to have a bigger portion of your equipment more readily available.

    Colors

    Both packs are available in same Grey Orchid, Ocean Blue and Purple Calla color options.

    Kyte 46 color options.

    Kyte 36 color options.

    Conclusion

    Osprey Kyte 36 and Kyte 46 backpacks are both superior to their competitors in their own category.

    Osprey Packs Women's Kyte 46 Backpack
    149 Reviews
    Osprey Packs Women's Kyte 46 Backpack
    • Osprey's stow-on-the-go trekking pole attachment...
    • An integrated and removable rain cover protects...
    • An external reservoir sleeve is located behind the...
    • The zippered sleeping bag compartment provides...
    • Dual upper side compression straps stabilize loads...
    Buy on Amazon

    The difference between them is that Osprey Kyte 46 is more on the versatile side of the fence while Kyte 36 stays on the traveling with a more carry-on friendly pack side.

    Osprey Packs Women's Kyte 36 Backpack
    54 Reviews
    Osprey Packs Women's Kyte 36 Backpack
    • Osprey's stow-on-the-go trekking pole attachment...
    • An integrated and removable rain cover protects...
    • An external reservoir sleeve is located behind the...
    • The zippered sleeping bag compartment provides...
    • Dual upper side compression straps stabilize loads...
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    References

    1. Osprey Europe Women's Hiking Backpacks: Kyte 36. Retrieved from https://www.ospreyeurope.com/shop/eu_en/kyte-36-a
    2. Osprey US Women's Backpacking Backpacks: Kyte 36. Retrieved from https://www.osprey.com/us/en/product/kyte-36-KYTE36.html
    3. Osprey Europe Women's Hiking Backpacks: Kyte 46. Retrieved from https://www.ospreyeurope.com/shop/eu_en/kyte-46-a
    4. Osprey US Women's Backpacking Backpacks: Kyte 46. Retrieved from https://www.osprey.com/us/en/product/kyte-46-KYTE46.html
    5. Osprey Kestrel/Kyte Series Manual. Retrieved from https://www.osprey.com/user_manuals/OM_KestrelKyte_S16_ENG.pdf