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arcteryx and patagonia

Arc’teryx vs Patagonia

Last updated: November 9, 2022 by Canberk Koksal

As most of you already know, I've been sharing helpful guides to all kinds of Arc'teryx and Patagonia jackets for the last couple of years now (find full post list at the bottom). 

First of all, comparing models instead of brands would make more sense. However, there still are some points we can make when it comes to Arc'teryx vs Patagonia. 

Arc'teryx vs Patagonia: Short Answer

If you're one of my regular readers, then you already know my answer to this. 

You can think of Patagonia positioned closer to typical clothing brands such as Zara, GAP, etc. Whereas Arc'teryx is more like a Research & Development facility which literally engineers different jackets for cold weather use. 

In most cases, it's pretty much impossible for other brands (including Patagonia) to match the performance standards Arc'teryx jackets have set in the last decade. 

Now I say in most cases, because...

...there are some (although rare) situations where I'd recommend Patagonia over Arc'teryx: 

  1. If you're looking for a synthetic insulated jacket to use during high output activities,
    1. As you can see in my Best Synthetic Insulated Jackets post, I recommend Patagonia's Nano Air over Arc'teryx's Proton LT and Atom LT for this purpose (also see: Nano Air vs Proton LT vs Atom LT). 
  2. If you're looking for a wind jacket that offers extremely high breathability,
    1. As you can see in my Best Patagonia Jackets and Patagonia Houdini vs Arc'teryx Squamish posts, I recommend Patagonia's Houdini Air over Arc'teryx Squamish for this purpose. 
      • Because, after the '19 revision, the breathability of Arc'teryx's once beloved Squamish started to suck BAD. 

For all the other folks, Arc'teryx is likely to be a superior pick. 

Arc'teryx vs Patagonia: Temperature Ratings 

I examined the temperature ratings of all Patagonia and Arc'teryx jackets, and laid out my findings in this chart. If you're looking for an insulated jacket, this chart will probably be quite helpful to you. So don't skip it!

Enjoy! 

Arc'teryx vs Patagonia: Popular Picks

Arc'teryx 

Some of my favorite picks. 

  • Down jacket: Thorium AR (Men's - Women's - read my review)
  • Synthetic insulated jacket: Proton LT (Men's - Women's - read my review)
  • Hardshell: Beta AR (Men's - Women's - read my review)
  • Softshell: Gamma LT (Men's - Women's - read my review)
  • Parka: Thorsen (Men's - read my review)

These picks are just top of my head. 

You must check out my huge Best Arc'teryx Jackets post if you're considering getting an Arc'teryx jacket. 

  • Lastly, I can't help but mention my admiration for this killer combination

Proton LT + Beta AR. 

These two would probably be my go-to jackets when upgrading a wardrobe. They do wonders when they're worn together AND worn separately. 

This is why, in addition to their high performance standards, they're also going to incorporate a lot of versatility to you - much more than any other two jacket combination would be able to accomplish. 

Patagonia

When it comes to shell jackets, there's no contest. Arc'teryx's line-up outperforms that of Patagonia by far. 

For other jacket types, from a performance-focused aspect, Arc'teryx would still mostly be a better option that Patagonia. 

Having said that... 

Like I said earlier in this post, there are two conditions where I'd recommend a Patagonia over Arc'teryx [(1) if you're looking for a synthetic insulated jacket to use during high output activities, and (2) if you're looking for a wind jacket that offers extremely high breathability]. 

Check out the introduction and my product recommendations if you're in one of these circumstances. 

Now let me lay out some of my Patagonia favorites: 

  • Down jacket: Down Sweater Hoody (Men's - Women's - read my review)
  • Synthetic insulated jacket: Nano Air Hoody (Men's - Women's - read my review)
  • Fleece: R1 Fleece Pullover Hoody (Men's - Women's - read my review)
  • Wind Jacket: Houdini (Men's - Women's - read my review)
  • Rain Jacket: Calcite (Men's - Women's - read my review)

Also see my other reviews:

  • Best Patagonia Jackets
  • Best Patagonia Down Jackets
  • Best Patagonia Winter Jackets
  • Best Patagonia Rain Jackets
  • Best Patagonia Fleeces
  • Best Patagonia Ski Jackets

Hope this is helpful. 

Arc'teryx vs Patagonia: Product Catalogue 

Arc'teryx revises their product catalogue more often to address the certain drawbacks and complaints of their products. This in turn keeps their portfolio up to date and leaves the customers more satisfied. 

At arcteryx.com, you'll see the REVISED tag at the top right of each product image, for all revised products, such as: https://arcteryx.com/us/en/shop/mens/atom-lt-hoody. 

Patagonia also revises their catalogue - but it just isn't as often and well thought out as that of the Arc'teryx's.

So, to me, Arc'teryx would be the clear winner in this aspect. 

Visit the bottom of my Best Arc'teryx Jackets page to see the full list of all revised, new, and discontinued Arc'teryx models. 

Product Diversity 

Arc'teryx Gamma LT. 

Arc'teryx's product diversity is superior to Patagonia. Arc'teryx tends to design a product to target a very specific need in the market.

This is why these products mostly tend to appeal to some certain type of their audience. 

It isn't unusual to come across two different Arc'teryx jackets and wonder why Arc'teryx even thought of making two of these products.

Because, in your eyes, you might almost see no difference (for example, Gamma LT and MX). 

However, when you look closer (or read my site, hehe); you'll recognize the small nuances that ultimately make these jackets perfect for one type of specific use.

This, in turn, constitutes another reason as to why Arc'teryx jackets are unbeatable in the performance department. 

One criticism I'd like to make about Arc'teryx's catalogue is that it can be a bit difficult to really understand which product to get. Their naming scheme is confusing. 

  • You can read more about Arc'teryx's naming scheme here: https://www.arcteryx.com/help/arc-naming
  • This is why Arc'teryx came up with a digital tool they call Jacket Finder, which I strongly recommend every potential buyer to use: https://www.arcteryx.com/us/en/shop/jacket-finder/

Also, questions & answers section at the bottom of each product page at arcteryx.com helps you make up your mind. This isn't available at patagonia.com. 

Arc'teryx vs Patagonia: Material Quality 

This is another category where Arc'teryx is the clear winner. 

This does not mean that there's something wrong with Patagonia. They're quite a bit above the market average. It's just that Arc'teryx operates on a whole another level with this. 

This is also the main reason Arc'teryx jackets are (much) more expensive than Patagonia jackets.

Although Arc'teryx never really completely discloses the material specs in detail, I did find some good resources on this: https://outdoorcrunch.com/goretex/ 

Arc'teryx vs Patagonia: Deals

Arc'teryx 

Arc'teryx had offered discounts only during the biggest national sale days and weeks - such as Black Friday. 

Patagonia

Patagonia, however, offers discounts throughout the entire year, through their Web Specials pages: 

  • Patagonia.com Web Specials
  • Patagonia.CA Web Specials

Patagonia's Web Specials offer honestly the best discounts I've ever seen. They literally offer 50% off of their best sellers. 

This is one of my favorite things about Patagonia. I constantly wish having the same opportunity with Arc'teryx. 

Arc'teryx vs Patagonia: Where are they made

Arc'teryx 

Except Alpha SV Men's and Alpha SV Women's, which are made in Canada; all Arc'teryx jackets are made in the Far East (Asia). 

Find the manufacturing facilities and locations of all Arc'teryx Jackets (that are currently on sale) below. Data is extracted from arcteryx.com. 

Product Manufactured in
Alpha AR Jacket Men's Pt. Pancaprima Ekabrothers, Indonesia
Alpha AR Jacket Women's Pt. Pancaprima Ekabrothers, Indonesia
Alpha FL Jacket Men's Pt. Pancaprima Ekabrothers, Indonesia
Alpha IS Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Alpha SV Jacket Men's Arc'teryx Equipment - ARC'One, Canada
Alpha SV Jacket Women's Arc'teryx Equipment - ARC'One, Canada
Andessa Jacket Women's Huizhou Charming Enterprises Ltd., China
Andra Coat Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Argus Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Atom AR Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Atom AR Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Atom AR Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Vest Men's Youngone (CEPZ) Ltd., Bangladesh
Atom LT Vest Women's Youngone (CEPZ) Ltd., Bangladesh
Atom SL Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Atom SL Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Atom SL Vest Men's Youngone (CEPZ) Ltd., Bangladesh
Atom SL Vest Women's Youngone (CEPZ) Ltd., Bangladesh
Beta AR Jacket Men's ZKG Asia Ltd., Myanmar
Beta AR Jacket Women's ZKG Asia Ltd., Myanmar
Beta FL Jacket Men's Santa Clara Co. Ltd., Vietnam
Beta FL Jacket Women's Santa Clara Co. Ltd., Vietnam
Beta SL Hybrid Jacket Men's Huizhou Charming Enterprises Ltd., China
Beta SL Hybrid Jacket Women's Huizhou Charming Enterprises Ltd., China
Beta SV Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Beta SV Jacket Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Camosun Parka Men's Mensa Industries Company Ltd., Vietnam
Cassiar Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Cassiar LT Jacket Men's Huizhou Charming Enterprises Ltd., China
Centrale Parka Women's Huizhou Charming Enterprises Ltd., China
Ceres SV Parka Men's Zplus Ltd., China
Cerium LT Hoody Men's ZKG Asia Ltd., Myanmar
Cerium LT Hoody Women's ZKG Asia Ltd., Myanmar
Cerium LT Jacket Men's ZKG Asia Ltd., Myanmar
Cerium LT Jacket Women's ZKG Asia Ltd., Myanmar
Cerium LT Vest Men's ZKG Asia Ltd., Myanmar
Cerium LT Vest Women's ZKG Asia Ltd., Myanmar
Cerium SL Hoody Men's Zplus Ltd., China
Cerium SL Hoody Women's Zplus Ltd., China
Cerium SL Jacket Men's Zplus Ltd., China
Cerium SL Vest Men's Zplus Ltd., China
Cerium SV Hoody Men's Mensa Industries Company Ltd., Vietnam
Cerium SV Hoody Women's Mensa Industries Company Ltd., Vietnam
Cita Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Cita SL Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Cita Vest Women's Youngone (CEPZ) Ltd., Bangladesh
Codetta Coat Women's Pt. Pancaprima Ekabrothers, Indonesia
Dually Belay Parka Men's Arc'teryx Equipment - ARC'One, Canada
Durant Coat Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Firebee AR Parka Men's Zplus Ltd., China
Firebee AR Parka Women's Zplus Ltd., China
Fission SV Jacket Men's Huizhou Charming Enterprises Ltd., China
Fission SV Jacket Women's Huizhou Charming Enterprises Ltd., China
Fraser Jacket Men's Zplus Ltd., China
Gaea Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Gamma LT Hoody Men's Pt. Pancaprima Ekabrothers, Indonesia
Gamma LT Hoody Women's Pt. Pancaprima Ekabrothers, Indonesia
Gamma LT Jacket Men's Pt. Pancaprima Ekabrothers, Indonesia
Gamma MX Hoody Men's Spectre Garment Technologies Vietnam Company Ltd., Vietnam
Gamma MX Hoody Women's Spectre Garment Technologies Vietnam Company Ltd., Vietnam
Gamma MX Jacket Men's Youngone Nam Dinh Garment Operations, Vietnam
Gamma SL Hoody Men's Zplus Ltd., China
Gamma SL Hoody Women's Zplus Ltd., China
Incendia Jacket Women's Huizhou Charming Enterprises Ltd., China
Incendia One Piece Women's Huizhou Charming Enterprises Ltd., China
Incendo Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Incendo SL Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Incendo Vest Men's Youngone (CEPZ) Ltd., Bangladesh
Kappa Hoody Men's Mensa Industries Company Ltd., Vietnam
Keppel Trench Coat Men's Huizhou Charming Enterprises Ltd., China
Koda Jacket Men's Pt. Pancaprima Ekabrothers, Indonesia
Macai Jacket Men's Huizhou Charming Enterprises Ltd., China
Mistaya Coat Women's Huizhou Charming Enterprises Ltd., China
Nexis Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Nexis Vest Women's Youngone (CEPZ) Ltd., Bangladesh
Nodin Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Nodin Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Norvan SL Hoody Men's Zplus Ltd., China
Norvan SL Hoody Women's Zplus Ltd., China
Norvan SL Insulated Hoody Men's Zplus Ltd., China
Norvan SL Insulated Hoody Women's Zplus Ltd., China
Nuclei FL Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Nuclei FL Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Nuri Coat Women's Mensa Industries Company Ltd., Vietnam
Patera Parka Women's Mensa Industries Company Ltd., Vietnam
Piedmont Coat Men's Youngone (CEPZ) Ltd., Bangladesh
Piedmont Vest Men's Youngone (CEPZ) Ltd., Bangladesh
Proton FL Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Proton FL Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Proton LT Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Proton LT Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Proton LT Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Radsten Insulated Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Radsten Parka Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Radsten Parka Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Ravenna Jacket Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Ravenna LT Jacket Women's Huizhou Charming Enterprises Ltd., China
Rico Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Rush IS Jacket Men's Huizhou Charming Enterprises Ltd., China
Rush Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Sabre AR Jacket Men's Huizhou Charming Enterprises Ltd., China
Sabre LT Jacket Men's Zplus Ltd., China
Sandra Coat Women's Huizhou Charming Enterprises Ltd., China
Sawyer Coat Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Semira Jacket Women's Youngone (CEPZ) Ltd., Bangladesh
Sensa Parka Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Sensa Parka Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Sentinel AR Jacket Women's Huizhou Charming Enterprises Ltd., China
Sentinel IS Jacket Women's Huizhou Charming Enterprises Ltd., China
Sentinel LT Jacket Women's Zplus Ltd., China
Seton Jacket Men's Youngone (CEPZ) Ltd., Bangladesh
Seyla Coat Women's Youngone (CEPZ) Ltd., Bangladesh
Seyla Vest Women's Youngone (CEPZ) Ltd., Bangladesh
Shashka IS Jacket Women's Huizhou Charming Enterprises Ltd., China
Sigma SL Anorak Men's Santa Clara Co. Ltd., Vietnam
Sigma SL Anorak Women's Santa Clara Co. Ltd., Vietnam
Solano Coat Women's Santa Clara Co. Ltd., Vietnam
Solano Hoody Men's Santa Clara Co. Ltd., Vietnam
Solano Hoody Women's Santa Clara Co. Ltd., Vietnam
Solano Jacket Men's Santa Clara Co. Ltd., Vietnam
Squamish Hoody Men's Youngone (CEPZ) Ltd., Bangladesh
Squamish Hoody Women's Youngone (CEPZ) Ltd., Bangladesh
Therme Parka Men's Mensa Industries Company Ltd., Vietnam
Thorium AR Hoody Men's ZKG Asia Ltd., Myanmar
Thorium AR Hoody Women's ZKG Asia Ltd., Myanmar
Thorium AR Jacket Men's ZKG Asia Ltd., Myanmar
Thorsen Parka Men's Huizhou Charming Enterprises Ltd., China
Trino SL Anorak Women's Spectre Garment Technologies Vietnam Company Ltd., Vietnam
Trino SL Hoody Men's Spectre Garment Technologies Vietnam Company Ltd., Vietnam
Venda Anorak Women's Zplus Ltd., China
Wynd Softshell Coat Women's Spectre Garment Technologies Vietnam Company Ltd., Vietnam
Zeta AR Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta AR Jacket Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta FL Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta FL Jacket Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta LT Jacket Men's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta LT Jacket Women's Karian (Taicang) Sports Apparel Co. Ltd., China
Zeta SL Jacket Men's Pt. Pancaprima Ekabrothers, Indonesia
Zeta SL Jacket Women's Pt. Pancaprima Ekabrothers, Indonesia

Full size table (without scrolling): https://outdoorcrunch.com/arcteryx-data.html

Patagonia

For Patagonia, I didn't code a script that pulls the necessary data from patagonia.com, but I did find a good source about this:

  • Vietnam – 40.69%
  • Sri Lanka – 16.03%
  • China – 13.09%
  • Thailand – 7.21%
  • Mexico – 5.16%
  • Colombia – 3.29%
  • USA – 3.12%
  • Philippines – 2.05%
  • El Salvador – 1.87%
  • Bangladesh – 1.60%
  • Canada – 1.60%
  • India – 1.51%
  • Hong Kong – 0.98%
  • Nicaragua – 0.80%
  • Not Specified – 0.62%
  • Taiwan – 0.09%
  • South Korea – 0.09%
  • Spain – 0.09%
  • Portugal – 0.09%

Source: https://allamericanreviews.com/patagonia/

Conclusion: Both brands manufacture the majority of their products in Asia. 

Arc'teryx vs Patagonia: Full list of reviews

Scroll down to the bottom of this post to reveal the full list of my Patagonia and Arc'teryx jacket reviews. 

Lastly, here's a good video for Arc'teryx vs Patagonia: 

Filed Under: Jackets Tagged With: arcteryx, arcteryx and patagonia, jackets, patagonia

Patagonia Houdini vs Arcteryx Squamish

Last updated: July 30, 2022 by Canberk Koksal

Arc'teryx revised the Squamish in 2019 dramatically. Disregard any reviews and comments put forward before then.

With the 2019 revision, wind and water resistances of the Squamish are improved; and it now looks prettier overall (this Iliad color is really liked by many - including me).

Its breathability, on the other hand, now sucks with the 2019 revision. Just like that of Houdini. They're less than 10 CFM (a measure of breathability that confirms they indeed suck).

That's a bold claim, but in case it has to be said, there it is. Don't believe anyone who claims otherwise.

That's because Arc'teryx and Patagonia simply chose not to design these products for high output activities anymore (although Squamish was a breathable option between 2014-2018). It's mind blowing how the Houdini and 2019 Squamish are marketed to runners in some places...

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  • 5 September 2022: Reviewing Arc'teryx Fall Winter 22/23 Gear
  • 5 August 2022: 5 things all Arc'teryx newbies should know
  • #A sidenote here: Arc'teryx's PDF guide to jackets is GOOOLLLLDDDDD. Absolutely check that out too if you're interested in buying one. 
Instead of high output activities, these hoodies are actually meant to work as simple pop up shells against sudden summer and spring storms. 

I'd recommend the Houdini over the Squamish for many cases as it's lighter, more durable, more weather resistant and more packable than the Squamish.

This is why they're light, packed tiny (so that they can easily fit inside even the smallest pockets of some of your pants), and don't even come with hand pockets.

  • If this is your intended use for these shells, then they will fill the bill without a hitch, so keep reading.
  • If, on the other hand, you're actually looking for a shell for any high output activity other than ice/rock climbing and bouldering, then I'd recommend you to stop reading and check out my post about the Arc'teryx's Incendo for summer running and cycling or the one about Patagonia's Houdini Air for all the other aerobic uses during the summer.

They're both significantly more breathable than the Houdini and Squamish.

Weather Resistances

Both Houdini and Squamish are marketed as wind jackets in their product pages as you can see here and here.

Compared to the Houdini, Squamish performs noticeably worse in this department - not only for the wind but also for the water resistance capabilities.

Because the DWR coating of 2019 Squamish wears off quicker than that of Houdini. 

  • What is DWR by the way?

DWR is a coating. 

It's basically sprayed on to the surface of these jackets as a finish. It stands for Durable Water Repellent - which means that water will be repelled under wet conditions instead of soaking into the fabric. 

DWR also decreases dry time. 

It's a good thing these jackets are coated in DWR, but pay attention to the fact that DWR is a coating - meaning that it will wear off over time. 

Which is why you might want to invest in a DWR spray such as this one for after treatment. 

As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine. 

More robust face fabric of the Houdini also makes it more durable than the Squamish.

Stuff Sack Sizes

Squamish is packed considerably larger than the Houdini.

If you're planning to use these shells as for what they're designed for, then the superior portability of Houdini is an extra advantage for you. You can even try stowing it into the hand pockets of your pants.

Best uses and conclusion

Like I said, instead of high output activities, these hoodies are actually meant to work as simple pop up shells against sudden summer and spring storms.

So, if you'll be using them for this purpose, then I'd recommend Houdini over Squamish any day.

...with one exception.

Velcro cuffs and chest pocket (accessible when you have a harness on) of the Squamish come very useful during the activities where hands are involved - most popular ones being rock/ice climbing and bouldering. So I'd recommend the Squamish in that case.

If you tend to overheat, though, breathability would definitely fall short. I'd head towards something provides more breathability without sacrificing weather protection, such as the Houdini Air.

Filed Under: Wind Jackets Tagged With: arcteryx, arcteryx and patagonia, arcteryx jackets, jackets, patagonia, Wind Jackets

Nano Puff vs Atom LT

Last updated: August 5, 2022 by Canberk Koksal

At the bottom of this post, find my blueprints and complete guides to best Arc'teryx jackets and best Patagonia jackets.

Unlike Atom LT, Nano Puff does come with a stuff sack.

Overview

The advantages Nano Puff has over Atom LT is that it:

  • Is more weather resistant,
  • Comes with and stuffs into its own sack (Atom LT doesn't come with one),
  • Is slightly lighter {363 grams (12.8 ounces) vs 415 grams (14.6 ounces)}

Now you understand why Nano Puff is a really popular jacket around traveler folks, and also why it's one of my top synthetic insulated jacket for travelers.

Atom LT, on the other hand,

  • Is much more breathable (because of its famous side fleece panels), 
  • Is more comfortable,
  • And looks better (at least to me - especially this Orion color with Flux interior). 

Atom LT is much more suitable than the Nano Puff for high output activities.

So, in summary, if you'll be using the jacket both in the town & during high output activities, then your jacket is probably Atom LT (if, for some reason, Proton LT isn't an option for you). If you'll mostly be traveling with the jacket and won't be physically active with it, then Nano Puff would probably be a better choice.

Lastly, do not get either of these jackets if you'll be out in below 30 deg F (0 deg C) a fair amount of days - because you'll quite likely to feel chilly inside them (assuming no substantial under layering - just a long sleeved shirt) unless you run much warmer than the average person.

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Different insulation materials

Atom LT's Coreloft is made with highly crimped multi-denier siliconized polyester yarn. Its lightweight, breathable and thermally efficient 100% polyester staple fiber is compressible and has good loft retention. Comes in the following six weights:

  1. 1.2 oz/yd2, 40 g/m2,
  2. 1.8 oz/yd2, 60 g/m2 (the density Atom LT uses),
  3. 2.4 oz/yd2, 80 g/m2,
  4. 3.0 oz/yd2, 100 g/m2,
  5. 3.5 oz/yd2, 120 g/m2,
  6. 4.2 oz/yd2, 140 g/m2.

So how do these different insulation techniques play out when using these jackets? 

  • Related Data Set: Estimated temperature ratings of Arc'teryx and Patagonia's all insulated jackets

Find below the lowest temperatures you can wear each jacket without feeling uncomfortably cold. 

These are only approximate values assuming:

  • you only have a shirt under and no shell over,
  • during daily use (strolls, power walks etc at most - no high output activities), 
  • with enough wind to cause an umbrella to twist in your hand, 
  • and when it's dry out.

NameEst. Temp (F/C)Review
Arc'teryx Alpha (Men's - Women's)-18/-28Review
Feathered Friends Khumbu-17/-27
Arc'teryx Ceres SV (Men's - Women's)-15/-26Review
Mountain Equipment K7 (Men's)-13/-25
Rab Positron Pro (Men's)-13/-25
Arc'teryx Therme SV (Men's)-11/-24Review
Patagonia Grade VII (Men's)-11/-24
Arc'teryx Firebee AR (Men's - Women's)-10/-23Review
Mountain Equipment Exo (Men's)-10/-23
Arc'teryx Thorsen (Men's)-7/-22Review
Patagonia Frozen Range (Men's - Women's)-6/-21Review
Mountain Equipment Li. Ec. (Men's - Women's)-5/-20
Arc'teryx Patera Long (Women's)-2/-19
Rab Neutrino Pro (Men's - Women's)-2/-19
Arc'teryx Dually Belay (Men's)0/-18Review
Arc'teryx Centrale (Women's)0/-18Review
Arc'teryx Camosun (Men's)0/-18Review
Arc'teryx Cerium SV (Men's)0/-18Review
Arc'teryx Revet (Men's)2/-17
Arc'teryx Piedmont (Men's)3/-16
Arc'teryx Fission SV (Men's - Women's)3/-16Review
Arc'teryx Alpha Lightweight (Men's)3/-16
Outdoor Research Sup. Alp. (Men's - Women's)3/-16
Arc'teryx Alessa Long (Women's)3/-16
Patagonia Tres 3-in-1 (Men's - Women's)3/-16Review
Arc'teryx Radsten Parka (Men's)3/-16
Rab Electron Pro (Men's - Women's)5/-15
Arc'teryx Therme Parka (Men's)5/-15Review
Arc'teryx Macai (Men's)5/-15Review
Arc'teryx Nuclei SV (Men's)5/-15Review
Patagonia DAS Parka (Men's)5/-15
Arc'teryx Patera (Women's)5/-15Review
Black Diamond Access Down (Men's - Women's)7/-14
Arc'teryx Kappa (Men's)7/-14Review
Arc'teryx Prema Down Coat (Women's)7/-14
Arc'teryx Radsten Insulated (Men's)7/-14
Rab Microlight Alpine (Men's - Women's)7/-14
Arc'teryx Thorium (Men's - Women's)7/-14Review
Feathered Friends Eos8/-13
Arc'teryx Thorium AR (Men's - Women's)8/-13Review
Patagonia Macro Puff (Men's - Women's)8/-13Review
Arc'teryx Macai LT (Men's)8/-13
Arc'teryx Seyla (Women's)8/-13
Patagonia Fitz Roy (Men's - Women's)8/-13
Arc'teryx Koda (Men's)8/-13
Patagonia Vosque 3-in-1 (Women's)10/-12Review
Patagonia City Storm Down (Men's - Women's)12/-11
Patagonia Jackson Glacier (Men's - Women's)12/-11Review
Arc'teryx Sensa (Women's)14/-10
Patagonia Hi Loft Down (Men's - Women's)14/-10Review
REI Magma 850 Hoodie 2.0 (Men's - Women's)14/-10
Arc'teryx Beta Insulated Coat (Women's)16/-9Review
Arc'teryx Atom AR (Men's - Women's)18/-8Review
Patagonia Downdrift (Men's - Women's)18/-8
Arc'teryx Magnus (Men's)19/-7
Arc'teryx Agrium (Men's - Women's)21/-6
Patagonia AlpLight Down (Men's - Women's)21/-6
Arc'teryx Beta Insulated (Men's - Women's)21/-6Review
Patagonia Topley (Men's)23/-5
Arc'teryx Alpha IS (Men's)23/-5
Rab Xenon 2.0 (Men's - Women's)23/-5
Patagonia Down Sweater (Men's - Women's)23/-5Review
Arc'teryx Ralle Parka (Men's)25/-4
Patagonia Silent Down (Men's - Women's)26/-3Review
Arc'teryx Therme Insulated (Men's)26/-3Review
Arc'teryx Cerium (Men's - Women's)26/-3
Mountain Hardwear GW/2 (Men's - Women's)28/-2
Arc'teryx Cerium LT (Men's - Women's)28/-2Review
Arc'teryx Nuclei FL (Men's - Women's)32/0Review
Patagonia DAS Light (Men's - Women's)34/1
Patagonia Micro Puff (Men's - Women's)36/2Review
Patagonia Isthmus (Men's)36/2
Arc'teryx Proton LT (Men's - Women's)37/3Review
Patagonia Nano Puff (Men's - Women's)37/3Review
Arc'teryx Norvan SL Ins. (Men's - Women's)39/4
Patagonia Nano Air (Men's - Women's)41/5Review
Arc'teryx Atom LT (Men's - Women's)43/6Review
Arc'teryx Cerium SL (Men's - Women's)43/6Review
Arc'teryx Proton Hybrid (Men's - Women's)46/8Review
Arc'teryx Proton FL (Men's)48/9Review
Arc'teryx Atom SL (Men's - Women's)52/11Review
REI Stormhenge Hybrid (Men's - Women's)Testing
Arc'teryx Monitor Insulated (Women's)Testing
Arc'teryx Coelle (Women's)Testing

Read more about this chart here in my Insulated Outerwear Temperature Ratings Guide. 

If you think you run warmer or colder than the average person, then shift temperature ranges accordingly. 

Also check out my Arc'teryx Favorites and my Patagonia Favorites. Also see my Arc'teryx vs Patagonia post to read more about both brands. 

If you're interested in down jackets only, see my Best Down Jackets post. 

Breathability

Atom LT's 60 g/m2 is the higher breathability / less warmth region for Arc'teryx's jackets. 60 g/m2 also compromises weather resistance to achieve more stretch and comfort.

  • Jackets like the Atom AR [read my review] for example, use

120 g/m2 Coreloft - which in the end provides significantly more warmth but also significantly less breathability.

Eventually it all comes down to your personal preferences as to the strong aspects of a jacket.

The main advantage you'll have with the Nano Puff's 60 grams of Primaloft Gold Insulation Eco over Atom LT's 60 g/m2 Coreloft, on the other hand, is that it's more compressible (which is why it comes with a stuff sack) and provides superior wet-weather performance.

But insulator difference isn't the main thing that makes Atom LT more breathable than the Nano Puff.

Atom LT's side fleece panels

The game-changer here is actually Atom LT's side fleece panels.

If you're having a dilemma between these two jackets, then you should have heard of these panels before already - they're admired by many users.

First I want to say that using fleece panels with the intention to make a jacket more breathable is considered outdated in today's outdoor gear world. 

The reason is that there has been a lot of advanced breathable insulators released into the market. Jackets made with genuinely breathable materials such as Arcteryx's Proton LT and Patagonia's Nano Air started to take the lead.

But there are many climbers and skiers still using jackets with side fleece panels today. My, too, first choice would be Proton LT as you can see here when it comes to choosing a jacket for a combination of casual and active use - but Atom LT is a good alternative.

Needless to say, Nano Puff doesn't offer side fleece panels.

Nano Puff can be better than the Atom LT for very low to none activity level.

Warmth

I'd say, generally speaking, when it's dry out, with only a long sleeved shirt under and without a shell on top, with a mild wind and very low to no activity level...

The approximate lowest temperatures an average person can wear these jackets without feeling cold would be around 30 deg F (0 deg C).

Like I said earlier, they provide about the same warmth as you see. If you think you run hotter or colder than the average person, then shift this temperature {30 deg F (0 deg C)} accordingly.

When there's anything more than a light rain, though, Atom LT's performance will drop slightly below Nano Puff's.

Which brings me to my next point...

Different face fabrics

This factor will play out in durability, comfort and weather resistance. 

Although side fleece panels of LT make it much more breathable, it inevitably compromises wind resistance in return significantly. Wind will cut right through it. 

You can solve this by under layering an Atom LT with a wind-shirt. But that requires extra effort from the buyer's side, so I'd write minus points for Atom LT in this department.

The fabric of Nano Puff (Shell: 1.4-oz 20D 100% recycled polyester, Lining: 1.3-oz 22D 100% recycled polyester) isn't any better than that of Atom LT (Tyono 20D / Polartec Power Stretch), but it isn't equipped with side fleece panels, it certainly isn't THAT vulnerable against strong winds. 

Both are DWR coated.

  • What is DWR by the way?

DWR is a coating. 

It's basically sprayed on to the surface of these jackets as a finish. It stands for Durable Water Repellent - which means that water will be repelled under wet conditions instead of soaking into the fabric. 

DWR also decreases dry time. 

It's a good thing these jackets are coated in DWR, but pay attention to the fact that DWR is a coating - meaning that it will wear off over time. 

Which is why you might want to invest in a DWR spray such as this one for after treatment. 

As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine. 

Gentle, smooth, stretchy inner surface of Atom LT provides much more comfort than Nano Puff. This is especially important when you're active with the jacket.

Slightly more robust outer shell of Nano Puff is slightly more durable than Atom LT's stretching fabrics which is intended to increase comfort during high output activities.

But still, the Nano Puff won't be able to counter an abrasion caused by a stiff or pointy rock when climbing either, just like Atom LT. I wouldn't say they're much different than one another when it comes to durability.

Conclusion

So, in summary, if you'll be using the jacket both in the town & during high output activities, then your jacket is probably Atom LT (if, for some reason, Proton LT isn't an option for you). If you'll mostly be traveling with the jacket and won't be physically active with it, then Nano Puff would probably be a better choice.

I'd recommend both products WITH the hoody. 

Filed Under: Synthetic Insulated Jackets Tagged With: arcteryx, arcteryx and patagonia, arcteryx insulated jackets, arcteryx jackets, jackets, patagonia

Arc’teryx Proton LT & Atom LT vs Patagonia Nano Air

Last updated: October 18, 2022 by Canberk Koksal

Proton LT and Atom LT are revised for FW23.

New product pages (women's counterparts have been undergoing a naming scheme change, but it doesn't affect the product designs): 

  • https://arcteryx.com/us/en/shop/mens/proton-lt-hoody
  • https://arcteryx.com/us/en/shop/mens/atom-lt-hoody
  • https://arcteryx.com/us/en/shop/womens/proton-hoody
  • https://arcteryx.com/us/en/shop/womens/atom-hoody
  • https://www.patagonia.com/product/mens-nano-air-hoody/84366.html
  • https://www.patagonia.com/product/womens-nano-air-hoody/84267.html
  • See the side by side comparison of Atom LT vs Proton LT:  https://arcteryx.com/us/en/compare/X000004842-distortion/X000005160-oracle 

Summary

My take is that these products are much more similar than they're different. The differences in things like warmth and breathability which I'll shortly be laying out might not even be that noticeable to you. 

So I'd base my decision primarily on my preference around the pocket configuration. Atom LT doesn't come with an external chest pocket, but an internal one. Proton LT and Nano Air both offer one chest pocket. 

Second, I'd take a look at the products and see which one looks more to my taste. 

Third, I'd compare the brands rather than the models. 

But if you STILL can't decide, then to maximize warmth and weather resistance, I'd pick Proton LT. To maximize breathability, I'd pick Atom LT. To maximize comfort, lightness and packability, pick I'd Nano Air. 

To find out more about these jackets, check out this chart: 

  • Data Set: Temperature Ratings of Synthetic Insulated Jackets

Approximate lowest temperatures you can wear each down jacket in the market without feeling uncomfortably cold are... 

NameEst. Temp (F/C)ReviewPit venting?Stuffs into itself?Two way zipper?TypeFill PowerFill Weight (grams)Fill Volume (FP x FW)Synthetic Insulator (SI)SI AmountFace FabricActivityFitWeightLength (CB)
Arc'teryx Alpha (Men's - Women's)-18/-28ReviewNoYesYesDown850296251,600Coreloft90 g/m²N30r 2L GoreTex InfiniumClimbingRegular805 g / 1 lb 12.4 oz86 cm / 34 in
Feathered Friends Khumbu-17/-27NoYesNoDown900378340,200Primaloft Gold200 gPretex Shield XTAll RoundRegular960 g / 2 lb 2 oz?
Arc'teryx Ceres SV (Men's - Women's)-15/-26ReviewNoYesYesDown850240204,000Coreloft?Arato 30All RoundRegular880 g / 1 lb 15 oz86 cm / 34 in
Mountain Equipment K7 (Men's)-13/-25NoYesYesDown800300240,000N/AN/A30D DriliteAll RoundRegular820 g / 1 lb 13 oz76 cm / 30 in
Rab Positron Pro (Men's)-13/-25NoYesYesDown800300240,000N/AN/A40D Pertex Quantum ProAll RoundRegular740 g / 1 lb 10 oz85 cm / 33.5 in
Arc'teryx Therme SV (Men's)-11/-24ReviewNoNoYesParka750211158,250Coreloft60 g/m²2L Gore-TexAround TownRegular1.072 kg / 2 lb 5.8 oz96 cm / 37.75 in
Patagonia Grade VII (Men's)-11/-24NoNoYesDown800335268,000N/AN/A1.2 oz 15 & 20D Perfex QuantumAround TownRegular743 g / 1 lb 10.1 oz83 cm / 32.5 in
Arc'teryx Firebee AR (Men's - Women's)-10/-23ReviewNoYesYesDown800225180,000N/AN/AArato 7 & 10All RoundRegular680 g / 1 lb 8 oz79 cm / 31 in
Mountain Equipment Exo (Men's)-10/-23NoYesYesDown800265212,000N/AN/ANylonAll RoundRegular770 g / 1 lb 11.2 oz79 cm / 31 in
Arc'teryx Thorsen (Men's)-7/-22ReviewNoNoYesParka750192144,000Coreloft60 g/m²90D 2L Gore-TexAround TownRegular1.1 kg / 2 lb 5.4 oz91 cm / 36 in
Patagonia Frozen Range (Men's - Women's)-6/-21ReviewNoNoNoParka700268187,600N/AN/A4 oz 75-denier polyesterAround TownRegular1.253 kg / 2 lb 12.2 oz84 cm / 33 in
Mountain Equipment Li. Ec. (Men's - Women's)-5/-20NoNoYesDown700295206,500N/AN/A50D DriliteAll RoundRegular822 g / 1 lb 13 oz72 cm / 28 in
Arc'teryx Patera Long (Women's)-2/-19NoNoYesParka7507455,500Coreloft60 + 80 g/m²2L Gore-TexAround TownRegular1.1 kg / 2 lb 6.8 oz117.5 cm / 46.25 in
Rab Neutrino Pro (Men's - Women's)-2/-19NoYesYesDown800212169,600N/AN/A20D Pertex Quantum ProAll RoundRegular585 g / 1 lb 8.6 oz77 cm / 30.3 in
Arc'teryx Dually Belay (Men's)0/-18ReviewNoYesYesSyntheticN/AN/AN/AThermaTek92 g/m²30D NylonAround TownRegular705 g / 1 lb 9 oz84 cm / 33 in
Arc'teryx Centrale (Women's)0/-18ReviewNoNoYesParka750157117,750Coreloft60 g/m²N90p NylonAround TownRegular885 g / 1 lb 15.2 oz95 cm / 37.5 in
Arc'teryx Camosun (Men's)0/-18ReviewNoNoNoParka75010578,750Coreloft140 g/m²N150p-X Gore-TexAround TownTrim960 g / 2 lb 1.9 oz80 cm / 31.5 in
Arc'teryx Cerium SV (Men's)0/-18ReviewNoYesNoDown850162137,700Coreloft80 + 140 g/m²Arato 7 & 10All RoundRegular415 g / 14.6 oz69.5 cm / 27.4 in
Arc'teryx Revet (Men's)2/-17NoNoYesParka750?N/AN/A20d nylon/spandex double weaveAround TownRegular755 g / 1 lb 10.6 oz91 cm / 36 in
Arc'teryx Piedmont (Men's)3/-16NoYesYesParka750218163,500N/AN/AArato 10Around TownRegular515 g / 1 lb 2.2 oz82 cm / 32.25 in
Arc'teryx Fission SV (Men's - Women's)3/-16ReviewNoNoYesSyntheticN/AN/AN/ACoreloft Continuous90 + 65 g/m²N80p-X Gore-Tex 2LAll RoundRegular890 g / 1 lb 15.4 oz81 cm / 31.8 in
Arc'teryx Alpha Lightweight (Men's)3/-16NoYesYesDown85011799,450Coreloft Compact40 g/m²Hadron 2L Gore-Tex InfiniumClimbingRegular540 g / 1 lb 3 oz?
Outdoor Research Sup. Alp. (Men's - Women's)3/-16NoNoYesDown800182145,600N/AN/A30D Pertex Quantum ProAll RoundRegular825 g / 1 lb 13.1 oz85 cm / 33.5 in
Arc'teryx Alessa Long (Women's)3/-16NoNoNoParkaN/AN/AN/ACoreloft80 + 120 g/m²N90p 2L Gore-TexAround TownRegular1.015 kg / 2 lb 3.8 oz123 cm / 48.5 in
Patagonia Tres 3-in-1 (Men's - Women's)3/-16ReviewNoNoNoParka70011882,600N/AN/A5.5 oz polyesterAround TownRegular1.307 kg / 2 lb 14.1 oz85 cm / 33.5 in
Arc'teryx Radsten Parka (Men's)3/-16NoNoNoParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LAround TownRegular745 g / 1 lb 10.3 oz82 cm / 32.25 in
Rab Electron Pro (Men's - Women's)5/-15NoYesYesDown800180144,000N/AN/A20D Pertex Quantum ProAll RoundRegular525 g / 1 lb 2.5 oz74 cm / 29 in
Arc'teryx Therme Parka (Men's)5/-15ReviewNoNoYesParka75012090,000Coreloft60 + 80 g/m²P75d PolyesterAround TownRegular991 g / 2 lb 3 oz85 cm / 33.5 in
Arc'teryx Macai (Men's)5/-15ReviewYes, zipsNoNoDown7506951,750Coreloft Compact60 + 100 g/m²N40p-X 3L Gore-TexSki/SnowboardRegular1 kg / 2 lb 4 oz76 cm / 30 in
Arc'teryx Nuclei SV (Men's)5/-15ReviewNoYesYesSyntheticN/AN/AN/ACoreloft Continuous180 g/m2 + 90 g/m2Arato 15ClimbingRegular600 g / 1 lb 5.2 oz81 cm / 31.8 in
Patagonia DAS Parka (Men's)5/-15NoYesYesParkaN/AN/AN/APrimaLoft Gold Insulation Eco133 + 40 gPertex Quantum ProAround TownRegular555 g / 1lb 3.6 oz84 cm / 33 in
Arc'teryx Patera (Women's)5/-15ReviewNoNoYesParka7505843,500Coreloft60 + 80 g/m²2L Gore-TexAround TownTrim867 g / 1 lb 14.6 oz93 cm / 37 in
Black Diamond Access Down (Men's - Women's)7/-14NoYesYesDown700155108,500N/AN/A30D ripstop nylonAll RoundRegular442 g / 15.6 oz76 cm / 29.75 in
Arc'teryx Kappa (Men's)7/-14ReviewNoNoYesSyntheticN/AN/AN/ACoreloft Continuous140 g/m²N70p Gore ThermiumAll RoundRegular755 g / 1 lb 10.6 oz80 cm / 31.5 in
Arc'teryx Prema Down Coat (Women's)7/-14NoNoYesParka7509269,000N/AN/ANylonAround TownRegular794 g / 1 lb 12 oz117 cm / 46.1 in
Arc'teryx Radsten Insulated (Men's)7/-14NoNoNoParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LAround TownRegular715 g / 1 lb 9.2 oz73 cm / 28.75 in
Rab Microlight Alpine (Men's - Women's)7/-14NoYesNoDown700153107,100N/AN/A30D Pertex QuantumAll RoundRegular466 g / 1 lb 0.5 oz72 cm / 28.5 in
Arc'teryx Thorium (Men's - Women's)7/-14ReviewNoYesYesDown750140105,000Coreloft80 + 140 g/m²Arato 30All RoundRegular517 g / 1 lb 2.2 oz71.5 cm / 28.1 in
Feathered Friends Eos8/-13NoYesNoDown90010594,500N/AN/APertex QuantumAll RoundRegular306 g / 10.8 oz?
Arc'teryx Thorium AR (Men's - Women's)8/-13ReviewNoYesNoDown75013097,500Coreloft80 + 140 g/m²Arato 30All RoundRegular490 g / 1 lb 1.3 oz72 cm / 28.3 in
Patagonia Macro Puff (Men's - Women's)8/-13ReviewNoNoNoSyntheticN/AN/AN/APlumaFill135 + 90 g10D Recycled nylon ripstopAll RoundRegular435 g / 15.3 oz79 cm / 31 in
Arc'teryx Macai LT (Men's)8/-13Yes, zipsNoNoDown7504936,750Coreloft Compact60 g/m²N40p-X 3L Gore-TexSki/SnowboardRegular855 g / 1 lb 14.2 oz74 cm / 29.1 in
Arc'teryx Seyla (Women's)8/-13NoNoYesParka7509269,000N/AN/AArato 10Around TownRegular507 g / 1 lb. 1.9 oz.87 cm / 34.4 in
Patagonia Fitz Roy (Men's - Women's)8/-13NoYesNoDown800128102,400N/AN/A20D NylonAll RoundRegular632 g / 1lb 6.3 oz74 cm / 29 in
Arc'teryx Koda (Men's)8/-13NoNoNoParkaN/AN/AN/ACoreloft80 + 140 g/m²N80p-X Gore-TexAround TownRegular720 g / 1 lb 9.4 oz75 cm / 29.5 in
Patagonia Vosque 3-in-1 (Women's)10/-12ReviewNoNoNoParkaN/AN/AN/AThermoLite100 g65% nylon, 35% polyesterAround TownRegular1.360 kg / 3 lb90 cm / 35.5 in
Patagonia City Storm Down (Men's - Women's)12/-11NoYesNoParka700191133,700N/AN/A4.2 oz polyesterAll RoundRegular468 g / 16.5 oz91 cm / 36 in
Patagonia Jackson Glacier (Men's - Women's)12/-11ReviewNoNoYesParka70014198,700N/AN/A3.6 oz 50D polyesterAround TownRegular880 g / 1 lb 15 oz79 cm / 31 in
Arc'teryx Sensa (Women's)14/-10NoNoYesParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LAround TownRelaxed785 g / 1 lb 11.7 oz86 cm / 34 in
Patagonia Hi Loft Down (Men's - Women's)14/-10ReviewNoYesNoDown600177106,200N/AN/A1.4 oz 30D polyesterAll RoundRegular540 g / 1 lb 3 oz76 cm / 30 in
REI Magma 850 Hoodie 2.0 (Men's - Women's)14/-10NoYesNoDown850120102,000N/AN/APertex mini ripstop nylonAll RoundRegular340 g / 13.75 oz74 cm / 29.25 in
Arc'teryx Beta Insulated Coat (Women's)16/-9ReviewNoNoYesSyntheticN/AN/AN/ACoreloft 80 g/m² + 120 g/m²2L 40D Gore-TexAround TownRegular600 g / 1 lb 5.2 oz?
Arc'teryx Atom AR (Men's - Women's)18/-8ReviewYes, meshNoNoSyntheticN/AN/AN/ACoreloft Continuous120 g/m2 + 80 g/m2 + 60 g/m230D TyonoAll RoundRegular475 g / 1 lb 74 cm / 29.1 in
Patagonia Downdrift (Men's - Women's)18/-8NoNoNoDown600279167,400N/AN/A4.2 oz polyesterAround TownRegular1.014 kg / 2 lb 3.8 oz?
Arc'teryx Magnus (Men's)19/-7NoNoNoParkaN/AN/AN/ACoreloft80 gN60p Gore-Tex 2LAround TownRegular690 g / 1 lb 8.3 oz83 cm / 32.5 in
Arc'teryx Agrium (Men's - Women's)21/-6NoYesNoDown85011799,450N/AN/AAratoAll RoundRegular365 g / 12.9 oz75 cm / 29.5 in
Patagonia AlpLight Down (Men's - Women's)21/-6NoYesNoDown80010080,000N/AN/A0.8 oz 10D polyesterAll RoundSlim270 g / 9.5 oz74 cm / 29 in
Arc'teryx Beta Insulated (Men's - Women's)21/-6ReviewYes, zipsNoYesSyntheticN/AN/AN/ACoreloft Continuous80 g/m²2L 40D Gore-TexAll RoundRegular680 g / 1 lb 8 oz78.5 cm / 31 in
Patagonia Topley (Men's)23/-5NoNoYesDown700172120,400N/AN/A6 oz polyesterAll RoundRegular1.133 kg / 2 lb 8 oz77 cm / 30.5 in
Arc'teryx Alpha IS (Men's)23/-5NoYesYesSyntheticN/AN/AN/ACoreloft Continuous65 g/m²N40p-X 2L Gore-TexClimbingRegular610 g / 1 lb 5.5 oz78 cm / 30.75 in
Rab Xenon 2.0 (Men's - Women's)23/-5NoYesYesSyntheticN/AN/AN/APrimaLoft Silver60 g30D Pertex QuantumAll RoundRegular385 g / 13.6 oz71.5 cm / 28.1 in
Patagonia Down Sweater (Men's - Women's)23/-5ReviewNoYesNoDown800150120,000N/AN/A1.4 oz 20x30D polyesterAll RoundRegular428 g / 15.1 oz67 cm / 26.25 in
Arc'teryx Ralle Parka (Men's)25/-4NoNoYesParkaN/AN/AN/ACoreloft 80 g/m²2L 40D Gore-TexAround TownRegular735 g / 1 lb 9.9 oz?
Patagonia Silent Down (Men's - Women's)26/-3ReviewNoNoNoDown70010976,300N/AN/A2.2 oz polyesterAround TownRegular585 g / 1 lb 4.7 oz74 cm / 29 in
Arc'teryx Therme Insulated (Men's)26/-3ReviewNoNoNoSyntheticN/AN/AN/ACoreloft Compact40 g/m²2L Gore-TexAround TownRegular960 g / 2 lb 1.9 oz73 cm / 28.75 in
Arc'teryx Cerium (Men's - Women's)26/-3NoYesNoDown85011396,050Coreloft 80 + 100 g/m²Arato 15All RoundTrim335 g / 11.8 oz?
Mountain Hardwear GW/2 (Men's - Women's)28/-2NoYesNoDown8008568,000N/AN/A10D Ripstop NylonAll RoundTrim250 g / 8.8 oz70 cm / 27.5 in
Arc'teryx Cerium LT (Men's - Women's)28/-2ReviewNoYesNoDown85010286,700Coreloft 80 + 100 g/m²Arato 10All RoundTrim305 g / 10.8 oz72 cm / 28.3 in
Arc'teryx Nuclei FL (Men's - Women's)32/0ReviewNoYesNoSyntheticN/AN/AN/ACoreloft Continuous65 g/m²Arato 10rClimbingTrim325 g / 11.5 oz75 cm / 29.5 in
Patagonia DAS Light (Men's - Women's)34/1NoYesYesSyntheticN/AN/AN/APlumaFill65 g0.8-oz 10-denier Pertex Quantum ProClimbingRegular320 g / 11.3 oz77 cm / 30.5 in
Patagonia Micro Puff (Men's - Women's)36/2ReviewNoYesNoSyntheticN/AN/AN/APlumaFill65 gPertex QuantumAll RoundTrim298 g / 10.5 oz75 cm / 29.5 in
Patagonia Isthmus (Men's)36/2NoNoNoParkaN/AN/AN/AThermoGreen60 g4.2 oz polyesterAround TownRegular895 g / 1 lb 15.6 oz70 cm / 27.5 in
Arc'teryx Proton LT (Men's - Women's)37/3ReviewNoNoNoSyntheticN/AN/AN/ACoreloft Compact80 g/m2 + 60 g/m2Fortius Air 20ClimbingTrim375 g / 13.2 oz75 cm / 29.4 in
Patagonia Nano Puff (Men's - Women's)37/3ReviewNoYesNoSyntheticN/AN/AN/APrimaLoft Gold Insulation Eco60 g22D PolyesterAll RoundRegular363 g / 12.8 oz71.5 cm / 28 in
Arc'teryx Norvan SL Ins. (Men's - Women's)39/4NoYesNoSyntheticN/AN/AN/ACoreloft Compact40 g/m²Gore-Tex ShakeDryRunningTrim270 g / 9.5 oz71.5 cm / 28.1 in
Patagonia Nano Air (Men's - Women's)41/5ReviewNoNoNoSyntheticN/AN/AN/AFullRange60 g33D Nylon ripstopAll RoundTrim318 g / 11.2 oz?
Arc'teryx Atom LT (Men's - Women's)43/6ReviewYes, meshNoNoSyntheticN/AN/AN/ACoreloft Continuous60 g/m²20D TyonoAll RoundTrim375 g / 13.2 oz74 cm / 29.1 in
Arc'teryx Cerium SL (Men's - Women's)43/6ReviewNoYesNoDown8505849,300Coreloft 40 + 100 g/m²Arato 7All RoundTrim215 g / 7.6 oz69 cm / 27.2 in
Arc'teryx Proton Hybrid (Men's - Women's)46/8ReviewNoNoNoSyntheticN/AN/AN/ACoreloft Compact40 g/m²Fortius™ Air 50All RoundTrim365 g / 12.9 oz?
Arc'teryx Proton FL (Men's)48/9ReviewNoNoNoSyntheticN/AN/AN/AOcta Loft94 g/m²Fortius Air 20ClimbingTrim323 g / 11.4 oz77 cm / 30.4 in
Arc'teryx Atom SL (Men's - Women's)52/11ReviewYes, meshNoNoSyntheticN/AN/AN/ACoreloft Compact40 g/m²20D TyonoAll RoundTrim245 g / 8.6 oz72 cm / 28.3 in
REI Stormhenge Hybrid (Men's - Women's)TestingYes, zipsNoNoDown850?N/AN/A40D + 80DAll RoundRegular900 g / 1 lb 15.75 oz80 cm / 31.5 in
Arc'teryx Monitor Insulated (Women's)TestingNoNoYesParkaN/AN/AN/ACoreloft80 + 100 g/m²40D 3L Gore-TexAround TownOversized645 g / 1 lb 6.8 oz93 cm / 37 in
Arc'teryx Coelle (Women's)TestingNoNoYesParkaN/AN/AN/ACoreloft80 + 140 g/m²40D 2L Gore-TexAround TownRegular460 g / 1 lb 0.2 oz93 cm / 37 in

As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine. 

These are only approximate values assuming:

  • you only have a shirt under and no shell over,
  • during daily use (strolls, power walks etc at most - no high output activities), 
  • with enough wind to cause an umbrella to twist in your hand, 
  • and when it's dry out.

If you think you run warmer or colder than the average person, then shift temperature ranges accordingly.

Also see: 

  • https://outdoorcrunch.com/arcteryx-proton-lt-vs-atom-lt/
  • https://outdoorcrunch.com/arcteryx-proton-hybrid-hoody-review/
  • https://outdoorcrunch.com/atom-ar-vs-atom-lt/
  • https://outdoorcrunch.com/arcteryx-atom-lt-vs-sl/
  • https://outdoorcrunch.com/atom-sl-vs-proton-fl/

Proton LT (see image) is the most durable of all. It's also one of my favorite jackets. 

Breathability

Although Atom LT delivers the membrane with the least breathable of these 3, it certainly still offers the most total breathability of all because of its mesh ventilation panels located at the arm pits. 

Mechanical ventilation will almost always be a superior parameter than membrane breathability. 

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  • #A sidenote here: Arc'teryx's PDF guide to jackets is GOOOLLLLDDDDD. Absolutely check that out too if you're interested in buying one. 
 

Warmth & Weather Resistance

Side fleece panels of Atom LT become a disadvantage when it's cold, windy and/or rainy. They'll let some foul weather in. 

On top of that, Proton LT offers 80 gsm of Coreloft reinforcements in strategical areas such as the hood, in addition to 60 gsm in the body. Atom LT, on the other hand, is equipped with 60 gsm everywhere, without any reinforcements.

This makes Proton LT the warmest of all. 

When it comes to weather resistance, Proton LT again takes the lead thanks to its stiffer and relatively more robust face fabric. Nano Air is the most fragile of all, so it's going to offer the least amount of weather protection in this regard. Not only against precipitation but also against wind. 

Also, all these jackets are DWR coated. 

  • What is DWR by the way?

DWR is a coating. 

It's basically sprayed on to the surface of these jackets as a finish. It stands for Durable Water Repellent - which means that water will be repelled under wet conditions instead of soaking into the fabric. 

DWR also decreases dry time. 

It's a good thing these jackets are coated in DWR, but pay attention to the fact that DWR is a coating - meaning that it will wear off over time. 

Which is why you might want to invest in a DWR spray such as this one for after treatment. 

As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine. 

Packability

Air is packable whereas the Atom LT and Proton LT aren't. 

Links:

  • https://arcteryx.com/us/en/shop/mens/proton-lt-hoody
  • https://arcteryx.com/us/en/shop/mens/atom-lt-hoody
  • https://arcteryx.com/us/en/shop/womens/proton-hoody
  • https://arcteryx.com/us/en/shop/womens/atom-hoody
  • https://www.patagonia.com/product/mens-nano-air-hoody/84366.html
  • https://www.patagonia.com/product/womens-nano-air-hoody/84267.html
  • See the side by side comparison of Atom LT vs Proton LT:  https://arcteryx.com/us/en/compare/X000004842-distortion/X000005160-oracle 

Filed Under: Synthetic Insulated Jackets Tagged With: arcteryx, arcteryx and patagonia, arcteryx insulated jackets, arcteryx jackets, jackets, patagonia

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Hey, what's up? Canberk here. I try to approach outdoor gear from a scientific point of view. Here's more about me.

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