• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

OutdoorCrunch

  • BASICS
  • PRO TIPS
  • GEAR
    • JACKETS
      • INSULATED JACKETS
        • DOWN JACKETS
        • SYNTHETIC INSULATED JACKETS
      • SHELL JACKETS
        • HARDSHELL JACKETS
        • SOFTSHELL JACKETS
      • SKI JACKETS
      • PARKAS
      • RAIN JACKETS
      • WIND JACKETS
      • FLEECE JACKETS
    • BACKPACKS
    • COOKING
      • BACKPACKING STOVES
      • COOKWARE
    • FOOTWEAR
  • MISCELLANEOUS
  • ABOUT
    • ABOUT ME
    • CONTACT
  • PRIVACY POLICY
Home / Gear / Jackets / Insulated Jackets / Down Jackets

ABOUT ME
Hey, what's up? Canberk here. A former General Electric Aviation Design Engineer. Academically involved in cold weather outdoor gear, particularly wearable heating systems using conductive polyester and polyamide yarns. Read more about me. 

Cerium SL vs LT vs SV: Lewis Hamilton picks the SV

Last updated: October 25, 2023 by Canberk Koksal

  • This article is revised after Arc'teryx FW24 update. 
  • Gift Guide: https://arcteryx.com/us/en/giftguide/
  • REI is on a rare sale. Don't miss. Patagonia's are like up to 70% off... 
    • https://www.rei.com/h/deals

Lewis Hamilton in Cerium SV. 

Summary

CAUTION: Cerium line is designed for casual uses (very little to no output) in dry weather. 

If this doesn't suit you, then stop reading here and visit my guide to Arc'teryx Jackets instead. 

Cerium LT is very close to what I would call a "typical down jacket anatomy" - unlike its very thick Cerium SV and very thin Cerium SL counterparts. 

Here's the bottom line: 

For winter, get the Cerium SV for freezing (down to 0 deg F (-18 deg C)) and the Cerium LT for cold (down to 28 deg F (-2 deg C)) weather. For chilly summer and spring mornings, get the Cerium SL. 

Introduction

Arc'teryx's Cerium line is consists of 3 down jackets - Cerium SL, LT and SV. 

  • Feed
  • Poll results: Giant Arc'teryx & Patagoina survey (Gore-Tex, pockets, hoods, fit, & more) [1000+ participated]
  • Pics from outrageous discounts I ran into at Arc'teryx Parndorf Outlet
  • I bought Gamma Lightweight (aka SL), Gamma (aka LT) and Gamma MX
  • Patera Parka (one year update): Ain't worth the price...
  • Alpha vs Beta: I bought all 4 Beta's and both Alpha's. Settling this for good
  • I visited Iceland again, this time with a Nuclei (aka FL)
  • Proton Hybrid: A "hidden" way to stuff it in itself!?
  • Best Insulated Jackets: A hands-on Arc'teryx & Patagonia face-off
  • 2024 Nano Air is in! Bought it immediately...
  • I bought all 7 of Winter '24 Atom and Proton jackets
  • Best Arc'teryx Ski Jackets: Rush is ideal, Sabre SV is overkill
  • Arc’teryx colors: Most and least liked (poll results)
  • Took my Nuclei SV to the Alps near Pfander, Austria
  • Arc'teryx Alpha Parka Review: The most impressive jacket of all time
  • Arc'teryx ReGEAR: OutdoorCrunch exclusive promo code!
  • Beta Insulated Jacket is in: Pit zips AND two way zipper
  • DropHood vs StormHood: Pros/cons and best uses
  • 7 things all Arc'teryx newbies should know

Like hauntingly dark yet brilliantly brilliant electronic music? Check out my Hidden Electronic Gems playlist at Spotify. 

  • Just dropped
  • Macai Shell: https://arcteryx.com/us/en/shop/mens/macai-shell-jacket
  • Nita: https://arcteryx.com/us/en/shop/womens/nita-down-jacket
  • Epsilon: https://arcteryx.com/us/en/shop/mens/epsilon-insulated-hoody
  • Cerium Pants (yes, seriously): https://arcteryx.com/us/en/shop/mens/cerium-pant
  • Liatris: https://arcteryx.com/us/en/shop/womens/liatris-down-jacket
  • Thorium SV: https://arcteryx.com/us/en/shop/mens/thorium-sv-hoody
  • Proton Heavyweight: https://arcteryx.com/us/en/shop/mens/proton-heavyweight-hoody
  • Atom Shacket: https://arcteryx.com/us/en/shop/womens/atom-shacket 
  • New Nano Air: https://patagonia.com/product/mens-nano-air-insulated-hoody/84367.html
Down jackets are like race cars. 

They're a bit more difficult to take care of compared to synthetic jackets. 

Their upsides, on the other hand, are that they're lighter, more packable and longer lasting (almost zero loss of insulation capability after many years). 

The two letter modifiers in the end indicate the different degrees of warmth and weight combination. 

You can also see the reflection of this in the chart I've put together: 

  • Temperature ratings of Arc'teryx jackets

NameEst. Temp (F/C)ReviewTypeFill Power (in3/oz)Fill Weight (g)Fill Volume (in3)Synthetic FillSynth. Fill WeightFace FabricPit venting?Two way zipper?Stuffs into itself?ActivityFitWeightLength (CB)Discontinued?
Arc'teryx Alpha (Men's - Women's)-18/-28ReviewDown8502968,875Coreloft90 g/m²N30r 2L GoreTex InfiniumNoYesYesClimbingRegular805 g / 1 lb 12.4 oz86 cm / 34 inNo
Feathered Friends Khumbu-17/-27Down90037812,000Primaloft Gold200 gPretex Shield XTNoNoYesAll RoundRegular960 g / 2 lb 2 oz?No
Arc'teryx Ceres SV (Men's - Women's)-15/-26ReviewDown8502407,196Coreloft?Arato 30NoYesYesAll RoundRegular880 g / 1 lb 15 oz86 cm / 34 inYes
Mountain Equipment K7 (Men's)-13/-25Down8003008,466N/AN/A30D DriliteNoYesYesAll RoundRegular820 g / 1 lb 13 oz76 cm / 30 inNo
Rab Positron Pro (Men's)-13/-25Down8003008,466N/AN/A40D Pertex Quantum ProNoYesYesAll RoundRegular740 g / 1 lb 10 oz85 cm / 33.5 inNo
Arc'teryx Therme SV (Men's)-11/-24ReviewParka7502115,582Coreloft60 g/m²2L Gore-TexNoYesNoAround TownRegular1.072 kg / 2 lb 5.8 oz96 cm / 37.75 inNo
Patagonia Grade VII-11/-24Down8003359,453N/AN/A1.2 oz 15 & 20D Pertex QuantumNoYesNoAround TownRegular743 g / 1 lb 10.1 oz83 cm / 32.5 inYes
Patagonia AlpLoft (Men's - Women's)-10/-23Down8002958,325N/AN/APertex QuantomNoYesYesAll RoundRegular680 g / 1 lb 8 oz81 cm / 31.8 inNo
Arc'teryx Firebee AR (Men's - Women's)-10/-23ReviewDown8002256,349N/AN/AArato 7 & 10NoYesYesAll RoundRegular680 g / 1 lb 8 oz79 cm / 31 inYes
Mountain Equipment Exo (Men's)-10/-23Down8002657,478N/AN/ANylonNoYesYesAll RoundRegular770 g / 1 lb 11.2 oz79 cm / 31 inNo
Arc'teryx Thorsen (Men's)-7/-22ReviewParka7501925,079Coreloft60 g/m²90D 2L Gore-TexNoYesNoAround TownRegular1.1 kg / 2 lb 5.4 oz91 cm / 36 inYes
Patagonia Frozen Range (Men's - Women's)-6/-21ReviewParka7002686,617N/AN/A4 oz 75-denier polyesterNoNoNoAround TownRegular1.253 kg / 2 lb 12.2 oz84 cm / 33 inYes
Mountain Equipment Li. Ec. (Men's - Women's)-5/-20Down7002957,284N/AN/A50D DriliteNoYesNoAll RoundRegular822 g / 1 lb 13 oz72 cm / 28 inYes
Arc'teryx Thorium Parka (Women's)-2/-19ReviewDown7502095,529Coreloft80 + 140 g/m²Arato 20NoYesNoAround TownRegular610 g / 1 lb 5.5 oz115.8 cm / 45.6 inNo
Rab Neutrino Pro (Men's - Women's)-2/-19Down8002125,982N/AN/A20D Pertex Quantum ProNoYesYesAll RoundRegular585 g / 1 lb 8.6 oz77 cm / 30.3 inNo
Arc'teryx Patera Long (Women's)0/-18Parka7502045,397Coreloft60 + 80 g/m²2L Gore-TexNoYesNoAround TownRegular1.1 kg / 2 lb 6.8 oz117.5 cm / 46.25 inNo
Patagonia Stormshadow (Men's)0/-18Parka7002596,395N/AN/A75D PolyesterNoNoNoAround TownRegular1.182 kg / 2 lb 9.7 oz?No
Arc'teryx Beta Down Insulated (Men's)0/-18Parka8501263,778Coreloft80 g/m²2L 40D Gore-TexYesYesNoAll RoundRegular760 g / 1 lb 10.8 oz79 cm / 31 inNo
Arc'teryx Dually Belay (Men's)0/-18ReviewSyntheticN/AN/AN/AThermaTek92 g/m²30D NylonNoYesYesAround TownRegular705 g / 1 lb 9 oz84 cm / 33 inYes
Arc'teryx Centrale (Women's)0/-18ReviewParka7501574,154Coreloft60 g/m²N90p NylonNoYesNoAround TownRegular885 g / 1 lb 15.2 oz95 cm / 37.5 inYes
Arc'teryx Thorium SV Parka (Men's)0/-18Down7501955,159Coreloft80 + 140 g/m²Arato 30 & 2L Gore-Tex InfiniumNoYesNoAround TownRegular685 g / 1 lb 8.2 oz85 cm / 33.5 inNo
Arc'teryx Camosun (Men's)0/-18ReviewParka7501052,778Coreloft140 g/m²N150p-X Gore-TexNoNoNoAround TownTrim960 g / 2 lb 1.9 oz80 cm / 31.5 inYes
Arc'teryx Cerium SV (Men's - Women's)0/-18ReviewDown8501624,857Coreloft80 + 140 g/m²Arato 7 & 10NoNoYesAll RoundRegular415 g / 14.6 oz69.5 cm / 27.4 inYes
Arc'teryx Liatris Parka (Women's)2/-17Parka8501364,078Climashield80 g/m2 + 60 g/m270D 3L Gore-TexNoNoNoAround TownRegular1.093 kg / 2 lb 6.6 oz109 cm / 43 inNo
Arc'teryx Revet (Men's)2/-17Parka750?N/AN/AN/A20d nylon/spandex double weaveNoYesNoAround TownRegular755 g / 1 lb 10.6 oz91 cm / 36 inYes
Arc'teryx Thorium SV (Men's)3/-16Down7501694,471Coreloft80 + 140 g/m²Arato 30 & 2L Gore-Tex InfiniumNoYesYesAround TownRegular645 g / 1 lb 6.8 oz73 cm / 28.75 inNo
Arc'teryx Piedmont (Men's)3/-16Parka7502185,767N/AN/AArato 10NoYesYesAround TownRegular515 g / 1 lb 2.2 oz82 cm / 32.25 inYes
Outdoor Research Sup. Alp. (Men's - Women's)3/-16Down8001825,136N/AN/A30D Pertex Quantum ProNoYesNoAll RoundRegular825 g / 1 lb 13.1 oz85 cm / 33.5 inNo
Arc'teryx Fission SV (Men's - Women's)3/-16ReviewSyntheticN/AN/AN/ACoreloft Continuous90 + 65 g/m²N80p-X Gore-Tex 2LNoYesNoAll RoundRegular890 g / 1 lb 15.4 oz81 cm / 31.8 inYes
Arc'teryx Alessa Long3/-16ParkaN/AN/AN/ACoreloft80 + 120 g/m²N90p 2L Gore-TexNoNoNoAround TownRegular1.015 kg / 2 lb 3.8 oz123 cm / 48.5 inYes
Arc'teryx Radsten Parka (Men's)3/-16ParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LNoNoNoAround TownRegular745 g / 1 lb 10.3 oz82 cm / 32.25 inYes
Rab Electron Pro (Men's - Women's)5/-15Down8001805,079N/AN/A20D Pertex Quantum ProNoYesYesAll RoundRegular525 g / 1 lb 2.5 oz74 cm / 29 inNo
Rab Infinity Alpine (Men's)5/-15Down8001754,938N/AN/A30D & 13D Gore-Tex InfiniumNoYesYesAll RoundRegular551 g / 1 lb 3.4 oz76.5 cm / 30.1 inNo
Arc'teryx Alpha Lightweight (Men's - Women's)5/-15Down8501173,508Coreloft Compact40 g/m²Hadron 2L Gore-Tex InfiniumNoYesYesClimbingRegular540 g / 1 lb 3 oz79.5 cm / 31.25 inNo
Arc'teryx Therme Parka (Men's)5/-15ReviewParka7501203,175Coreloft60 + 80 g/m²P75d PolyesterNoYesNoAround TownRegular991 g / 2 lb 3 oz85 cm / 33.5 inNo
Arc'teryx Liatris (Women's)5/-15Parka850932,788Climashield80 g/m2 + 60 g/m270D 3L Gore-TexNoNoNoAround TownRegular890 g / 1 lb 15.4 oz75 cm / 29.5 inNo
Arc'teryx Macai (Men's)5/-15ReviewShell750691,825Coreloft Compact60 + 100 g/m²N40p-X 3L Gore-TexYes, zipsNoNoSki/SnowboardRegular1 kg / 2 lb 4 oz76 cm / 30 inNo
Arc'teryx Nuclei SV (Men's - Women's)5/-15ReviewSyntheticN/AN/AN/ACoreloft Continuous190 g/m2 + 90 g/m2Arato 15NoYesYesAll RoundRegular600 g / 1 lb 5.2 oz81 cm / 31.8 inNo
Black Diamond Access Down (Men's - Women's)7/-14Down7001553,827N/AN/A30D ripstop nylonNoYesYesAll RoundRegular442 g / 15.6 oz76 cm / 29.75 inNo
Arc'teryx Kappa (Men's)7/-14ReviewSyntheticN/AN/AN/ACoreloft Continuous140 g/m²N70p Gore ThermiumNoYesNoAll RoundRegular755 g / 1 lb 10.6 oz80 cm / 31.5 inYes
Patagonia Jackson Glacier Parka (Men's - Women's)7/-14Parka7002185,383N/AN/A50D PolyesterNoNoNoAround TownRegular1.142 kg / 2 lb 8.3 oz?No
Arc'teryx Prema Down Coat (Women's)7/-14Parka750922,434N/AN/ANylonNoYesNoAround TownRegular794 g / 1 lb 12 oz117 cm / 46.1 inYes
Arc'teryx Radsten Insulated (Men's)7/-14ParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LNoNoNoAround TownRegular715 g / 1 lb 9.2 oz73 cm / 28.75 inYes
Rab Microlight Alpine (Men's - Women's)7/-14Down7001533,778N/AN/A30D Pertex QuantumNoNoYesAll RoundRegular466 g / 1 lb 0.5 oz72 cm / 28.5 inNo
Feathered Friends Eos8/-13Down9001053,333N/AN/APertex QuantumNoNoYesAll RoundRegular306 g / 10.8 oz?No
Patagonia Macro Puff (Men's - Women's)8/-13ReviewSyntheticN/AN/AN/APlumaFill135 + 90 g10D Recycled nylon ripstopNoNoNoAll RoundRegular435 g / 15.3 oz79 cm / 31 inYes
Arc'teryx Macai Lightweight (aka LT) (Men's)8/-13Shell750491,296Coreloft Compact60 g/m²N40p-X 3L Gore-TexYes, zipsNoNoSki/SnowboardRegular855 g / 1 lb 14.2 oz74 cm / 29.1 inNo
Patagonia Tres 3-in-1 (Men's - Women's)8/-13ReviewParka7001182,914N/AN/A5.5 oz polyesterNoNoNoAround TownRegular1.307 kg / 2 lb 14.1 oz85 cm / 33.5 inNo
Arc'teryx Seyla (Women's)8/-13Parka750922,434N/AN/AArato 10NoYesNoAround TownRegular507 g / 1 lb. 1.9 oz.87 cm / 34.4 inYes
Arc'teryx Koda (Men's)8/-13ParkaN/AN/AN/ACoreloft80 + 140 g/m²N80p-X Gore-TexNoNoNoAround TownRegular720 g / 1 lb 9.4 oz75 cm / 29.5 inYes
Patagonia DAS (Men's - Women's)10/-12ReviewSyntheticN/AN/AN/APrimaLoft Gold Insulation Eco133 + 40 gPertex Quantum ProNoYesYesAll RoundRegular555 g / 1 lb 3.6 oz84 cm / 33 inNo
Patagonia Vosque 3-in-1 (Women's)10/-12ReviewParkaN/AN/AN/AThermoLite100 g65% nylon, 35% polyesterNoNoNoAround TownRegular1.360 kg / 3 lb90 cm / 35.5 inNo
Arc'teryx Thorium (Men's - Women's)12/-11ReviewDown7501403,704Coreloft80 + 140 g/m²Arato 30NoYesYesAll RoundRegular517 g / 1 lb 2.2 oz71.5 cm / 28.1 inNo
Patagonia City Storm Down (Men's - Women's)12/-11Parka7001914,716N/AN/A4.2 oz polyesterNoNoYesAll RoundRegular468 g / 16.5 oz91 cm / 36 inYes
Patagonia Jackson Glacier (Men's - Women's)12/-11ReviewDown7001413,482N/AN/A3.6 oz 50D polyesterNoYesNoAround TownRegular880 g / 1 lb 15 oz79 cm / 31 inNo
Arc'teryx Thorium AR 2020 (Men's - Women's)14/-10ReviewDown7501303,439Coreloft80 + 140 g/m²Arato 30NoNoYesAll RoundRegular490 g / 1 lb 1.3 oz72 cm / 28.3 inYes
Patagonia Fitz Roy (Men's - Women's)14/-10Down8001283,612N/AN/A20D NylonNoNoYesAll RoundRegular632 g / 1lb 6.3 oz74 cm / 29 inNo
Arc'teryx Sensa (Women's)14/-10ParkaN/AN/AN/ACoreloft Compact120 g/m²NP100d Gore-Tex 2LNoYesNoAround TownRelaxed785 g / 1 lb 11.7 oz86 cm / 34 inYes
Arc'teryx Ralle (Men's)14/-10ParkaN/AN/AN/ACoreloft120 g/m²N80p-X 2L Gore-TexNoYesNoAround TownRegular735 g / 1 lb 9.9 oz83 cm / 32.5 inNo
Patagonia Hi-Loft (Men's - Women's)14/-10ReviewDown6001773,746N/AN/A1.4 oz 30D polyesterNoNoYesAll RoundRegular540 g / 1 lb 3 oz76 cm / 30 inYes
Arc'teryx Coelle (Women's)14/-10ParkaN/AN/AN/ACoreloft80 + 140 g/m²40D 2L Gore-TexNoYesNoAround TownRegular?95 cm / 37.4 inNo
REI Magma 850 Hoodie 2.0 (Men's - Women's)14/-10Down8501203,598N/AN/APertex mini ripstop nylonNoNoYesAll RoundRegular340 g / 13.75 oz74 cm / 29.25 inNo
Arc'teryx Beta Insulated Coat (Women's)16/-9ReviewParkaN/AN/AN/ACoreloft 80 g/m² + 120 g/m²2L 40D Gore-TexNoYesNoAround TownRegular600 g / 1 lb 5.2 oz86 cm / 34 inNo
Arc'teryx Atom Heavyweight (aka AR) (Men's - Women's)18/-8ReviewSyntheticN/AN/AN/ACoreloft Continuous120 g/m2 + 80 g/m2 + 60 g/m230D TyonoYes, meshNoNoAll RoundRegular475 g / 1 lb 74 cm / 29.1 inNo
Patagonia Downdrift (Men's - Women's)18/-8Down6002795,905N/AN/A4.2 oz polyesterNoNoNoAround TownRegular1.014 kg / 2 lb 3.8 oz?No
Arc'teryx Magnus (Men's)19/-7ParkaN/AN/AN/ACoreloft80 gN60p Gore-Tex 2LNoNoNoAround TownRegular690 g / 1 lb 8.3 oz83 cm / 32.5 inYes
Rab Infinity Microlight (Men's - Women's)19/-7Down7001463,605N/AN/A13D Gore-Tex InfiniumNoNoYesAll RoundRegular452 g / 15.9 oz74 cm / 29.1 inNo
Arc'teryx Proton Heavyweight (Men's - Women's)21/-6ReviewSyntheticN/AN/AN/ACoreloft100 g/m2 + 60 g/m2Fortius Air 50NoNoNoAll RoundRegular540 g / 1 lb 3 oz77 cm / 30.5 inNo
Arc'teryx Agrium (Men's - Women's)21/-6Down8501173,508N/AN/AAratoNoNoYesAll RoundRegular365 g / 12.9 oz75 cm / 29.5 inYes
Arc'teryx Beta Insulated (Men's - Women's)21/-6ReviewParkaN/AN/AN/ACoreloft Continuous80 g/m²2L 40D Gore-TexYes, zipsYesNoAll RoundRegular680 g / 1 lb 8 oz78.5 cm / 31 inNo
Arc'teryx Patera (Women's)21/-6ReviewParka750671,773Coreloft60 + 80 g/m²2L Gore-TexNoYesNoAround TownTrim867 g / 1 lb 14.6 oz99 cm / 39 inNo
Patagonia Topley (Men's)23/-5Down7001724,247N/AN/A6 oz polyesterNoYesNoAll RoundRegular1.133 kg / 2 lb 8 oz77 cm / 30.5 inNo
Arc'teryx Alpha IS (Men's)23/-5SyntheticN/AN/AN/ACoreloft Continuous65 g/m²N40p-X 2L Gore-TexNoYesYesClimbingRegular610 g / 1 lb 5.5 oz78 cm / 30.75 inYes
Patagonia Down Sweater (Men's - Women's)23/-5ReviewDown8001504,233N/AN/A1.4 oz 20x30D polyesterNoNoYesAll RoundRegular428 g / 15.1 oz67 cm / 26.25 inNo
Arc'teryx Epsilon (Men's)26/-3SyntheticN/AN/AN/ACoreloft Compact80 g/m²Fortius 1.0NoNoNoAround TownRegular644 g / 1 lb 6.7 oz?No
Patagonia Silent Down (Men's - Women's)26/-3ReviewDown7001092,691N/AN/A2.2 oz polyesterNoNoNoAround TownRegular585 g / 1 lb 4.7 oz74 cm / 29 inNo
Arc'teryx Therme Insulated (Men's)26/-3ReviewSyntheticN/AN/AN/ACoreloft Compact40 g/m²2L Gore-TexNoNoNoAround TownRegular960 g / 2 lb 1.9 oz73 cm / 28.75 inYes
Arc'teryx Cerium (aka LT) (Men's - Women's)26/-3ReviewDown8501133,388Coreloft80 + 100 g/m²Arato 15NoNoYesAll RoundTrim335 g / 11.8 oz72 cm / 28.3 inNo
Mountain Hardwear GW/2 (Men's - Women's)28/-2Down800852,399N/AN/A10D Ripstop NylonNoNoYesAll RoundTrim250 g / 8.8 oz70 cm / 27.5 inNo
Arc'teryx Cerium LT 2020 (Men's - Women's)28/-2ReviewDown8501023,058Coreloft80 + 100 g/m²Arato 10NoNoYesAll RoundTrim305 g / 10.8 oz72 cm / 28.3 inYes
Arc'teryx Nuclei (aka FL) (Men's - Women's)32/0ReviewSyntheticN/AN/AN/ACoreloft Continuous65 g/m²Arato 10rNoNoYesAll RoundRegular325 g / 11.5 oz75 cm / 29.5 inNo
Patagonia DAS Light (Men's - Women's)34/1ReviewSyntheticN/AN/AN/APlumaFill65 g10D Pertex Quantum ProNoYesYesAll RoundRegular320 g / 11.3 oz77 cm / 30.5 inNo
Patagonia Isthmus (Men's)36/2ParkaN/AN/AN/AThermoGreen60 g4.2 oz polyesterNoNoNoAround TownRegular895 g / 1 lb 15.6 oz70 cm / 27.5 inNo
Patagonia AlpLight (Men's - Women's)36/2Down8001002,822N/AN/A0.8 oz 10D polyesterNoNoYesAll RoundSlim270 g / 9.5 oz74 cm / 29 inNo
Arc'teryx Proton (aka LT) (Men's - Women's)37/3ReviewSyntheticN/AN/AN/ACoreloft Compact80 g/m2 + 60 g/m2Fortius Air 20NoNoNoClimbingTrim375 g / 13.2 oz75 cm / 29.4 inNo
Patagonia Nano Puff (Men's - Women's)37/3ReviewSyntheticN/AN/AN/APrimaLoft Gold Insulation Eco60 g22D PolyesterNoNoYesAll RoundRegular363 g / 12.8 oz71.5 cm / 28 inNo
Arc'teryx Norvan SL Ins. (Men's - Women's)39/4ShellN/AN/AN/ACoreloft Compact40 g/m²Gore-Tex ShakeDryNoNoYesRunningTrim270 g / 9.5 oz71.5 cm / 28.1 inYes
Patagonia Micro Puff (Men's - Women's)41/5ReviewSyntheticN/AN/AN/APlumaFill65 gPertex QuantumNoNoYesAll RoundRegular298 g / 10.5 oz75 cm / 29.5 inNo
Patagonia Nano Air (Men's - Women's)41/5ReviewSyntheticN/AN/AN/AFullRange60 g33D nylon ripstopNoNoYesAll RoundTrim318 g / 11.2 oz?No
Arc'teryx Atom (aka LT) (Men's - Women's)43/6ReviewSyntheticN/AN/AN/ACoreloft Continuous60 g/m²20D TyonoYes, meshNoNoAll RoundTrim375 g / 13.2 oz74 cm / 29.1 inNo
Arc'teryx Cerium Lightweight (aka SL) (Women's)43/6ReviewDown850581,739Coreloft40 + 100 g/m²Arato 7NoNoYesAll RoundTrim215 g / 7.6 oz69 cm / 27.2 in No
Arc'teryx Cerium Hybrid (Men's)44/7Down850441,319Coreloft40 + 100 g/m²Arato 15 + Fortius Air 50NoNoYesAll RoundTrim260 g / 9.2 oz70 cm / 27.5 inNo
Arc'teryx Proton Hybrid (Men's - Women's)46/8ReviewSyntheticN/AN/AN/ACoreloft Compact40 g/m²Fortius Air 50NoNoNoAll RoundTrim365 g / 12.9 oz76 cm / 30 inNo
Arc'teryx Proton Lightweight (aka FL) (Men's - Women's)48/9ReviewSyntheticN/AN/AN/AOcta Loft94 g/m²Fortius Air 20NoNoNoClimbingTrim343 g / 12.1 oz75 cm / 29.5 inNo
Patagonia Nano Air Light Hybrid (Men's - Women's)50/10SyntheticN/AN/AN/AFullRange40 g20D nylon ripstopNoNoNoAll RoundTrim335 g / 11.8 oz?No
Arc'teryx Atom Lightweight (aka SL) (Men's - Women's)52/11ReviewSyntheticN/AN/AN/ACoreloft Compact40 g/m²20D TyonoYes, meshNoNoAll RoundTrim270 g / 9.5 oz72 cm / 28.3 inNo
 

Assumptions: Worn over a thin shirt, no output, no precipitation, light to no wind. Values are always for size M and for men's, except for women's-only items. 

Primary use of this spectrum is for comparison, rather than figuring out absolute temp ratings. 

  • Working principles of insulated jackets: https://outdoorcrunch.com/jackets/ 
  • CLO Values: https://outdoorcrunch.com/clo-values/ 
  • Best Arc'teryx jackets: https://outdoorcrunch.com/best-arcteryx-jacket/ 
  • Best sellers (new pages)
    • https://arcteryx.com/us/en/c/mens/p/best-sellers
    • https://arcteryx.com/us/en/c/womens/p/best-sellers
  • Performance ratings of Arc'teryx synthetics

NameEst. Temp (F/C)BreathabilityWind Res.Abrasion res.ReviewTypeSynthetic FillSynth. Fill WeightFace FabricPit venting?Two way zipper?Stuffs into itself?ActivityFitWeightLength (CB)Discontinued?Internal pocketsExternal pockets
Arc'teryx Alpha (Men's - Women's)-18/-28No dataNo dataNo dataReviewDownCoreloft90 g/m²N30r 2L GoreTex InfiniumNoYesYesClimbingRegular805 g / 1 lb 12.4 oz86 cm / 34 inNo
Feathered Friends Khumbu-17/-27No dataNo dataNo dataDownPrimaloft Gold200 gPretex Shield XTNoNoYesAll RoundRegular960 g / 2 lb 2 oz?No
Arc'teryx Ceres SV (Men's - Women's)-15/-26No dataNo dataNo dataReviewDownCoreloft?Arato 30NoYesYesAll RoundRegular880 g / 1 lb 15 oz86 cm / 34 inYes
Mountain Equipment K7 (Men's)-13/-25No dataNo dataNo dataDownN/AN/A30D DriliteNoYesYesAll RoundRegular820 g / 1 lb 13 oz76 cm / 30 inNo
Rab Positron Pro (Men's)-13/-25No dataNo dataNo dataDownN/AN/A40D Pertex Quantum ProNoYesYesAll RoundRegular740 g / 1 lb 10 oz85 cm / 33.5 inNo
Arc'teryx Therme SV (Men's)-11/-24No dataNo dataNo dataReviewParkaCoreloft60 g/m²2L Gore-TexNoYesNoAround TownRegular1.072 kg / 2 lb 5.8 oz96 cm / 37.75 inNo
Patagonia Grade VII-11/-24No dataNo dataNo dataDownN/AN/A1.2 oz 15 & 20D Pertex QuantumNoYesNoAround TownRegular743 g / 1 lb 10.1 oz83 cm / 32.5 inYes
Patagonia AlpLoft (Men's - Women's)-10/-23No dataNo dataNo dataDownN/AN/APertex QuantomNoYesYesAll RoundRegular680 g / 1 lb 8 oz81 cm / 31.8 inNo
Arc'teryx Firebee AR (Men's - Women's)-10/-238/1010/10No dataReviewDownN/AN/AArato 7 & 10NoYesYesAll RoundRegular680 g / 1 lb 8 oz79 cm / 31 inYes
Mountain Equipment Exo (Men's)-10/-23No dataNo dataNo dataDownN/AN/ANylonNoYesYesAll RoundRegular770 g / 1 lb 11.2 oz79 cm / 31 inNo
Arc'teryx Thorsen (Men's)-7/-22No dataNo dataNo dataReviewParkaCoreloft60 g/m²90D 2L Gore-TexNoYesNoAround TownRegular1.1 kg / 2 lb 5.4 oz91 cm / 36 inYes
Patagonia Frozen Range (Men's - Women's)-6/-21No dataNo dataNo dataReviewParkaN/AN/A4 oz 75-denier polyesterNoNoNoAround TownRegular1.253 kg / 2 lb 12.2 oz84 cm / 33 inYes
Mountain Equipment Li. Ec. (Men's - Women's)-5/-20No dataNo dataNo dataDownN/AN/A50D DriliteNoYesNoAll RoundRegular822 g / 1 lb 13 oz72 cm / 28 inYes
Arc'teryx Thorium Parka (Women's)-2/-19No dataNo dataNo dataReviewDownCoreloft80 + 140 g/m²Arato 20NoYesNoAround TownRegular610 g / 1 lb 5.5 oz115.8 cm / 45.6 inNo
Rab Neutrino Pro (Men's - Women's)-2/-19No dataNo dataNo dataDownN/AN/A20D Pertex Quantum ProNoYesYesAll RoundRegular585 g / 1 lb 8.6 oz77 cm / 30.3 inNo
Arc'teryx Patera Long (Women's)0/-18No dataNo dataNo dataParkaCoreloft60 + 80 g/m²2L Gore-TexNoYesNoAround TownRegular1.1 kg / 2 lb 6.8 oz117.5 cm / 46.25 inNo
Patagonia Stormshadow (Men's)0/-18No dataNo dataNo dataParkaN/AN/A75D PolyesterNoNoNoAround TownRegular1.182 kg / 2 lb 9.7 oz?No
Arc'teryx Beta Down Insulated (Men's)0/-18No dataNo dataNo dataParkaCoreloft80 g/m²2L 40D Gore-TexYesYesNoAll RoundRegular760 g / 1 lb 10.8 oz79 cm / 31 inNo
Arc'teryx Dually Belay (Men's)0/-18No dataNo dataNo dataReviewSyntheticThermaTek92 g/m²30D NylonNoYesYesAround TownRegular705 g / 1 lb 9 oz84 cm / 33 inYes
Arc'teryx Centrale (Women's)0/-18No dataNo dataNo dataReviewParkaCoreloft60 g/m²N90p NylonNoYesNoAround TownRegular885 g / 1 lb 15.2 oz95 cm / 37.5 inYes
Arc'teryx Thorium SV Parka (Men's)0/-18No dataNo dataNo dataDownCoreloft80 + 140 g/m²Arato 30 & 2L Gore-Tex InfiniumNoYesNoAround TownRegular685 g / 1 lb 8.2 oz85 cm / 33.5 inNo
Arc'teryx Camosun (Men's)0/-18No dataNo dataNo dataReviewParkaCoreloft140 g/m²N150p-X Gore-TexNoNoNoAround TownTrim960 g / 2 lb 1.9 oz80 cm / 31.5 inYes
Arc'teryx Cerium SV (Men's - Women's)0/-18No dataNo dataNo dataReviewDownCoreloft80 + 140 g/m²Arato 7 & 10NoNoYesAll RoundRegular415 g / 14.6 oz69.5 cm / 27.4 inYes
Arc'teryx Liatris Parka (Women's)2/-17No dataNo dataNo dataParkaClimashield80 g/m2 + 60 g/m270D 3L Gore-TexNoNoNoAround TownRegular1.093 kg / 2 lb 6.6 oz109 cm / 43 inNo
Arc'teryx Revet (Men's)2/-17No dataNo dataNo dataParkaN/AN/A20d nylon/spandex double weaveNoYesNoAround TownRegular755 g / 1 lb 10.6 oz91 cm / 36 inYes
Arc'teryx Thorium SV (Men's)3/-16No dataNo dataNo dataDownCoreloft80 + 140 g/m²Arato 30 & 2L Gore-Tex InfiniumNoYesYesAround TownRegular645 g / 1 lb 6.8 oz73 cm / 28.75 inNo
Arc'teryx Piedmont (Men's)3/-16No dataNo dataNo dataParkaN/AN/AArato 10NoYesYesAround TownRegular515 g / 1 lb 2.2 oz82 cm / 32.25 inYes
Outdoor Research Sup. Alp. (Men's - Women's)3/-16No dataNo dataNo dataDownN/AN/A30D Pertex Quantum ProNoYesNoAll RoundRegular825 g / 1 lb 13.1 oz85 cm / 33.5 inNo
Arc'teryx Fission SV (Men's - Women's)3/-163/10No dataNo dataReviewSyntheticCoreloft Continuous90 + 65 g/m²N80p-X Gore-Tex 2LNoYesNoAll RoundRegular890 g / 1 lb 15.4 oz81 cm / 31.8 inYes
Arc'teryx Alessa Long3/-16No dataNo dataNo dataParkaCoreloft80 + 120 g/m²N90p 2L Gore-TexNoNoNoAround TownRegular1.015 kg / 2 lb 3.8 oz123 cm / 48.5 inYes
Arc'teryx Radsten Parka (Men's)3/-16No dataNo dataNo dataParkaCoreloft Compact120 g/m²NP100d Gore-Tex 2LNoNoNoAround TownRegular745 g / 1 lb 10.3 oz82 cm / 32.25 inYes
Rab Electron Pro (Men's - Women's)5/-15No dataNo dataNo dataDownN/AN/A20D Pertex Quantum ProNoYesYesAll RoundRegular525 g / 1 lb 2.5 oz74 cm / 29 inNo
Rab Infinity Alpine (Men's)5/-15No dataNo dataNo dataDownN/AN/A30D & 13D Gore-Tex InfiniumNoYesYesAll RoundRegular551 g / 1 lb 3.4 oz76.5 cm / 30.1 inNo
Arc'teryx Alpha Lightweight (Men's - Women's)5/-15No dataNo dataNo dataDownCoreloft Compact40 g/m²Hadron 2L Gore-Tex InfiniumNoYesYesClimbingRegular540 g / 1 lb 3 oz79.5 cm / 31.25 inNo
Arc'teryx Therme Parka (Men's)5/-15No dataNo dataNo dataReviewParkaCoreloft60 + 80 g/m²P75d PolyesterNoYesNoAround TownRegular991 g / 2 lb 3 oz85 cm / 33.5 inNo
Arc'teryx Liatris (Women's)5/-15No dataNo dataNo dataParkaClimashield80 g/m2 + 60 g/m270D 3L Gore-TexNoNoNoAround TownRegular890 g / 1 lb 15.4 oz75 cm / 29.5 inNo
Arc'teryx Macai (Men's)5/-15No dataNo dataNo dataReviewShellCoreloft Compact60 + 100 g/m²N40p-X 3L Gore-TexYes, zipsNoNoSki/SnowboardRegular1 kg / 2 lb 4 oz76 cm / 30 inNo
Arc'teryx Nuclei SV (Men's - Women's)5/-151/1010/102/10ReviewSyntheticCoreloft Continuous190 g/m2 + 90 g/m2Arato 15NoYesYesAll RoundRegular600 g / 1 lb 5.2 oz81 cm / 31.8 inNo2x dump1x chest
Black Diamond Access Down (Men's - Women's)7/-14No dataNo dataNo dataDownN/AN/A30D ripstop nylonNoYesYesAll RoundRegular442 g / 15.6 oz76 cm / 29.75 inNo
Arc'teryx Kappa (Men's)7/-14No data9/109/10ReviewSyntheticCoreloft Continuous140 g/m²N70p Gore ThermiumNoYesNoAll RoundRegular755 g / 1 lb 10.6 oz80 cm / 31.5 inYes
Patagonia Jackson Glacier Parka (Men's - Women's)7/-14No dataNo dataNo dataParkaN/AN/A50D PolyesterNoNoNoAround TownRegular1.142 kg / 2 lb 8.3 oz?No
Arc'teryx Prema Down Coat (Women's)7/-14No dataNo dataNo dataParkaN/AN/ANylonNoYesNoAround TownRegular794 g / 1 lb 12 oz117 cm / 46.1 inYes
Arc'teryx Radsten Insulated (Men's)7/-14No dataNo dataNo dataParkaCoreloft Compact120 g/m²NP100d Gore-Tex 2LNoNoNoAround TownRegular715 g / 1 lb 9.2 oz73 cm / 28.75 inYes
Rab Microlight Alpine (Men's - Women's)7/-14No dataNo dataNo dataDownN/AN/A30D Pertex QuantumNoNoYesAll RoundRegular466 g / 1 lb 0.5 oz72 cm / 28.5 inNo
Feathered Friends Eos8/-13No dataNo dataNo dataDownN/AN/APertex QuantumNoNoYesAll RoundRegular306 g / 10.8 oz?No
Patagonia Macro Puff (Men's - Women's)8/-13No dataNo dataNo dataReviewSyntheticPlumaFill135 + 90 g10D Recycled nylon ripstopNoNoNoAll RoundRegular435 g / 15.3 oz79 cm / 31 inYes
Arc'teryx Macai Lightweight (aka LT) (Men's)8/-13No dataNo dataNo dataShellCoreloft Compact60 g/m²N40p-X 3L Gore-TexYes, zipsNoNoSki/SnowboardRegular855 g / 1 lb 14.2 oz74 cm / 29.1 inNo
Patagonia Tres 3-in-1 (Men's - Women's)8/-13No dataNo dataNo dataReviewParkaN/AN/A5.5 oz polyesterNoNoNoAround TownRegular1.307 kg / 2 lb 14.1 oz85 cm / 33.5 inNo
Arc'teryx Seyla (Women's)8/-13No dataNo dataNo dataParkaN/AN/AArato 10NoYesNoAround TownRegular507 g / 1 lb. 1.9 oz.87 cm / 34.4 inYes
Arc'teryx Koda (Men's)8/-13No dataNo dataNo dataParkaCoreloft80 + 140 g/m²N80p-X Gore-TexNoNoNoAround TownRegular720 g / 1 lb 9.4 oz75 cm / 29.5 inYes
Patagonia DAS (Men's - Women's)10/-121/109/103/10ReviewSyntheticPrimaLoft Gold Insulation Eco133 + 40 gPertex Quantum ProNoYesYesAll RoundRegular555 g / 1 lb 3.6 oz84 cm / 33 inNo2x dump1x chest
Patagonia Vosque 3-in-1 (Women's)10/-12No dataNo dataNo dataReviewParkaThermoLite100 g65% nylon, 35% polyesterNoNoNoAround TownRegular1.360 kg / 3 lb90 cm / 35.5 inNo
Arc'teryx Thorium (Men's - Women's)12/-11No dataNo dataNo dataReviewDownCoreloft80 + 140 g/m²Arato 30NoYesYesAll RoundRegular517 g / 1 lb 2.2 oz71.5 cm / 28.1 inNo
Patagonia City Storm Down (Men's - Women's)12/-11No dataNo dataNo dataParkaN/AN/A4.2 oz polyesterNoNoYesAll RoundRegular468 g / 16.5 oz91 cm / 36 inYes
Patagonia Jackson Glacier (Men's - Women's)12/-11No dataNo dataNo dataReviewDownN/AN/A3.6 oz 50D polyesterNoYesNoAround TownRegular880 g / 1 lb 15 oz79 cm / 31 inNo
Arc'teryx Thorium AR 2020 (Men's - Women's)14/-10No dataNo dataNo dataReviewDownCoreloft80 + 140 g/m²Arato 30NoNoYesAll RoundRegular490 g / 1 lb 1.3 oz72 cm / 28.3 inYes
Patagonia Fitz Roy (Men's - Women's)14/-10No dataNo dataNo dataDownN/AN/A20D NylonNoNoYesAll RoundRegular632 g / 1lb 6.3 oz74 cm / 29 inNo
Arc'teryx Sensa (Women's)14/-10No dataNo dataNo dataParkaCoreloft Compact120 g/m²NP100d Gore-Tex 2LNoYesNoAround TownRelaxed785 g / 1 lb 11.7 oz86 cm / 34 inYes
Arc'teryx Ralle (Men's)14/-10No dataNo dataNo dataParkaCoreloft120 g/m²N80p-X 2L Gore-TexNoYesNoAround TownRegular735 g / 1 lb 9.9 oz83 cm / 32.5 inNo
Patagonia Hi-Loft (Men's - Women's)14/-10No dataNo dataNo dataReviewDownN/AN/A1.4 oz 30D polyesterNoNoYesAll RoundRegular540 g / 1 lb 3 oz76 cm / 30 inYes
Arc'teryx Coelle (Women's)14/-10No dataNo dataNo dataParkaCoreloft80 + 140 g/m²40D 2L Gore-TexNoYesNoAround TownRegular?95 cm / 37.4 inNo
REI Magma 850 Hoodie 2.0 (Men's - Women's)14/-10No dataNo dataNo dataDownN/AN/APertex mini ripstop nylonNoNoYesAll RoundRegular340 g / 13.75 oz74 cm / 29.25 inNo
Arc'teryx Beta Insulated Coat (Women's)16/-9No dataNo dataNo dataReviewParkaCoreloft 80 g/m² + 120 g/m²2L 40D Gore-TexNoYesNoAround TownRegular600 g / 1 lb 5.2 oz86 cm / 34 inNo
Arc'teryx Atom Heavyweight (aka AR) (Men's - Women's)18/-84/108/108/10ReviewSyntheticCoreloft Continuous120 g/m2 + 80 g/m2 + 60 g/m230D TyonoYes, meshNoNoAll RoundRegular475 g / 1 lb 74 cm / 29.1 inNo1x chest-
Patagonia Downdrift (Men's - Women's)18/-8No dataNo dataNo dataDownN/AN/A4.2 oz polyesterNoNoNoAround TownRegular1.014 kg / 2 lb 3.8 oz?No
Arc'teryx Magnus (Men's)19/-7No dataNo dataNo dataParkaCoreloft80 gN60p Gore-Tex 2LNoNoNoAround TownRegular690 g / 1 lb 8.3 oz83 cm / 32.5 inYes
Rab Infinity Microlight (Men's - Women's)19/-7No dataNo dataNo dataDownN/AN/A13D Gore-Tex InfiniumNoNoYesAll RoundRegular452 g / 15.9 oz74 cm / 29.1 inNo
Arc'teryx Proton Heavyweight (Men's - Women's)21/-66/107/1010/10ReviewSyntheticCoreloft100 g/m2 + 60 g/m2Fortius Air 50NoNoNoAll RoundRegular540 g / 1 lb 3 oz77 cm / 30.5 inNo2x dump2x chest
Arc'teryx Agrium (Men's - Women's)21/-6No dataNo dataNo dataDownN/AN/AAratoNoNoYesAll RoundRegular365 g / 12.9 oz75 cm / 29.5 inYes
Arc'teryx Beta Insulated (Men's - Women's)21/-6No dataNo dataNo dataReviewParkaCoreloft Continuous80 g/m²2L 40D Gore-TexYes, zipsYesNoAll RoundRegular680 g / 1 lb 8 oz78.5 cm / 31 inNo
Arc'teryx Patera (Women's)21/-6No dataNo dataNo dataReviewParkaCoreloft60 + 80 g/m²2L Gore-TexNoYesNoAround TownTrim867 g / 1 lb 14.6 oz99 cm / 39 inNo
Patagonia Topley (Men's)23/-5No dataNo dataNo dataDownN/AN/A6 oz polyesterNoYesNoAll RoundRegular1.133 kg / 2 lb 8 oz77 cm / 30.5 inNo
Arc'teryx Alpha IS (Men's)23/-5No dataNo dataNo dataSyntheticCoreloft Continuous65 g/m²N40p-X 2L Gore-TexNoYesYesClimbingRegular610 g / 1 lb 5.5 oz78 cm / 30.75 inYes
Patagonia Down Sweater (Men's - Women's)23/-5No dataNo dataNo dataReviewDownN/AN/A1.4 oz 20x30D polyesterNoNoYesAll RoundRegular428 g / 15.1 oz67 cm / 26.25 inNo
Arc'teryx Epsilon (Men's)26/-3No dataNo dataNo dataSyntheticCoreloft Compact80 g/m²Fortius 1.0NoNoNoAround TownRegular644 g / 1 lb 6.7 oz?No1x chest-
Patagonia Silent Down (Men's - Women's)26/-3No dataNo dataNo dataReviewDownN/AN/A2.2 oz polyesterNoNoNoAround TownRegular585 g / 1 lb 4.7 oz74 cm / 29 inNo
Arc'teryx Therme Insulated (Men's)26/-3No dataNo dataNo dataReviewSyntheticCoreloft Compact40 g/m²2L Gore-TexNoNoNoAround TownRegular960 g / 2 lb 1.9 oz73 cm / 28.75 inYes
Arc'teryx Cerium (aka LT) (Men's - Women's)26/-3No dataNo dataNo dataReviewDownCoreloft80 + 100 g/m²Arato 15NoNoYesAll RoundTrim335 g / 11.8 oz72 cm / 28.3 inNo
Mountain Hardwear GW/2 (Men's - Women's)28/-2No dataNo dataNo dataDownN/AN/A10D Ripstop NylonNoNoYesAll RoundTrim250 g / 8.8 oz70 cm / 27.5 inNo
Arc'teryx Cerium LT 2020 (Men's - Women's)28/-2No dataNo dataNo dataReviewDownCoreloft80 + 100 g/m²Arato 10NoNoYesAll RoundTrim305 g / 10.8 oz72 cm / 28.3 inYes
Arc'teryx Nuclei (aka FL) (Men's - Women's)32/02/109/102/10ReviewSyntheticCoreloft Continuous65 g/m²Arato 10rNoNoYesAll RoundRegular325 g / 11.5 oz75 cm / 29.5 inNo2x dump-
Patagonia DAS Light (Men's - Women's)34/12/108/102/10ReviewSyntheticPlumaFill65 g10D Pertex Quantum ProNoYesYesAll RoundRegular320 g / 11.3 oz77 cm / 30.5 inNo-1x chest
Patagonia Isthmus (Men's)36/2No dataNo dataNo dataParkaThermoGreen60 g4.2 oz polyesterNoNoNoAround TownRegular895 g / 1 lb 15.6 oz70 cm / 27.5 inNo
Patagonia AlpLight (Men's - Women's)36/2No dataNo dataNo dataDownN/AN/A0.8 oz 10D polyesterNoNoYesAll RoundSlim270 g / 9.5 oz74 cm / 29 inNo
Arc'teryx Proton (aka LT) (Men's - Women's)37/37/107/108/10ReviewSyntheticCoreloft Compact80 g/m2 + 60 g/m2Fortius Air 20NoNoNoClimbingTrim375 g / 13.2 oz75 cm / 29.4 inNo-1x chest
Patagonia Nano Puff (Men's - Women's)37/34/106/106/10ReviewSyntheticPrimaLoft Gold Insulation Eco60 g22D PolyesterNoNoYesAll RoundRegular363 g / 12.8 oz71.5 cm / 28 inNo1x chest-
Arc'teryx Norvan SL Ins. (Men's - Women's)39/4No dataNo dataNo dataShellCoreloft Compact40 g/m²Gore-Tex ShakeDryNoNoYesRunningTrim270 g / 9.5 oz71.5 cm / 28.1 inYes
Patagonia Micro Puff (Men's - Women's)41/55/106/105/10ReviewSyntheticPlumaFill65 gPertex QuantumNoNoYesAll RoundRegular298 g / 10.5 oz75 cm / 29.5 inNo2x dump-
Patagonia Nano Air (Men's - Women's)41/57/105/105/10ReviewSyntheticFullRange60 g33D nylon ripstopNoNoYesAll RoundTrim318 g / 11.2 oz?No-2x chest
Arc'teryx Atom (aka LT) (Men's - Women's)43/69/106/107/10ReviewSyntheticCoreloft Continuous60 g/m²20D TyonoYes, meshNoNoAll RoundTrim375 g / 13.2 oz74 cm / 29.1 inNo1x chest-
Arc'teryx Cerium Lightweight (aka SL) (Women's)43/6No dataNo dataNo dataReviewDownCoreloft40 + 100 g/m²Arato 7NoNoYesAll RoundTrim215 g / 7.6 oz69 cm / 27.2 in No
Arc'teryx Cerium Hybrid (Men's)44/7No dataNo dataNo dataDownCoreloft40 + 100 g/m²Arato 15 + Fortius Air 50NoNoYesAll RoundTrim260 g / 9.2 oz70 cm / 27.5 inNo
Arc'teryx Proton Hybrid (Men's - Women's)46/85/108/108/10ReviewSyntheticCoreloft Compact40 g/m²Fortius Air 50NoNoNoAll RoundTrim365 g / 12.9 oz76 cm / 30 inNo-1x chest
Arc'teryx Proton Lightweight (aka FL) (Men's - Women's)48/98/104/107/10ReviewSyntheticOcta Loft94 g/m²Fortius Air 20NoNoNoClimbingTrim343 g / 12.1 oz75 cm / 29.5 inNo-1x chest
Patagonia Nano Air Light Hybrid (Men's - Women's)50/10No dataNo dataNo dataSyntheticFullRange40 g20D nylon ripstopNoNoNoAll RoundTrim335 g / 11.8 oz?No
Arc'teryx Atom Lightweight (aka SL) (Men's - Women's)52/1110/102/107/10ReviewSyntheticCoreloft Compact40 g/m²20D TyonoYes, meshNoNoAll RoundTrim270 g / 9.5 oz72 cm / 28.3 inNo--
 

Performance data axis of synthetic jackets (this table) and shell jackets (table below) are different. Don't compare them. 

  • Best synthetic insulated jackets: https://outdoorcrunch.com/synthetic-insulated-jackets/
  • Performance ratings of Arc'teryx shells

NameActivityBreathabilityWeather Res.DurabilityPackabilityTemp (F/C)Bottom lineReviewPit zips?Two way zipper?Stuffs into itself?Hood?Face FabricFitWeightLengthDiscontinued?
Alpha FL (Men's - Women's)Climbing7/10No dataNo data10/10N/ANoNoYesHadron 3L Gore-TexTrim209 g / 7.4 oz76.5 cm / 30 inYes
Alpha SL (Men's - Women's)Climbing5/107/10No data9/10N/ANoNoYesN40p 3L Gore-TexTrim326 g / 11.5 oz77.5 cm / 30.5 inYes
Alpha (aka AR) (Men's - Women's)Climbing8/109/108/104/10N/AGo-to climbing harshell. ReviewYesNoNoN40d & N80d Most Rugged 3L Gore-Tex ProRegular430 g / 15.2 oz79.5 cm / 31.25 inNo
Alpha SV (Men's - Women's)Climbing8/1010/1010/103/10N/AStrongest climbing hardshell. ReviewYesNoNoN100d Most Rugged 3L Gore-Tex ProRegular510 g / 1 lb 2 oz78 cm / 30.75 inNo
Alpha IS (Men's)Climbing7/105/10No data8/1023/-5NoYesYesN40p-X 2L Gore-TexRegular610 g / 1 lb 5.5 oz78 cm / 30.75 inYes
Beta (Men's - Women's)All Round6/107/107/108/10N/AStreamlined all-doer shell.ReviewNoNoNoN30p-X 3L Gore-TexTrim300 g / 10.6 oz76 cm / 30 inNo
Beta Lightweight (Men's - Women's)All Round8/107/107/106/10N/AReviewYesNoNoN40p 3L Gore-TexFitted380 g / 13.4 oz75 cm / 29.5 inNo
Beta LT (Men's - Women's)All Round7/107/108/106/10N/AReviewYesNoNoN40d 3L Gore-TexFitted395 g / 13.9 oz76 cm / 30 inNo
Beta AR (Men's - Women's)All Round8/109/109/104/10N/AGo-to all-round harshell. ReviewYesNoNoN40d & N80d Most Rugged 3L Gore-Tex ProRegular460 g / 1 lb 76 cm / 30 inNo
Beta AR StormHood (Men's - Women's)All Round8/109/109/104/10N/AReviewYesNoNoN40d & N80d Most Rugged 3L Gore-Tex ProRegular460 g / 1 lb 76 cm / 30 inNo
Beta Coat (Women's)All Round6/105/10No data5/10N/ANoYesNo3L Gore-TexRegular320 g / 11.3 oz88 cm / 34.5 inNo
Beta Insulated (Men's - Women's)All Round9/107/108/10No data21/-6Go-to hybrid jacket.ReviewYesYesNoN40d 2L Gore-TexRegular680 g / 1 lb 8 oz78.5 cm / 31 inNo
Beta Insulated Coat (Women's)All Round7/10No dataNo dataNo data16/-9NoYesNoN40d 2L Gore-TexRegular600 g / 1 lb 5.2 oz86 cm / 34 inNo
Beta Down Insulated (Men's)All Round9/107/108/10No data0/-18YesYesNo2L 40D Gore-TexRegular760 g / 1 lb 10.8 oz79 cm / 31 inNo
Beta LongAll Round4/109/10No data3/10N/AReviewNoNoNoN80p 3L Gore-TexRegular441 g / 15.6 oz85 cm / 33.5 inYes
Beta LT HadronAll Round7/106/104/105/10N/ANoNoNoHadron 3L Gore-TexFitted255 g / 9 oz76 cm / 30 inYes
Beta SV (Men's - Women's)All Round8/1010/1010/103/10N/AStrongest all-round harshell. ReviewYesNoNoN80p-X Most Rugged 3L Gore-Tex ProRegular495 g / 1 lb 1.5 oz79 cm / 31 inYes
Gamma Lw. (aka SL) (Men's - Women's)All Round7/102/106/105/10N/AReviewNoNoNoFortius 1.0Trim310 g / 10.9 oz74 cm / 29.1 inNo
Gamma (aka LT) (Men's - Women's)All Round7/103/107/103/10N/AGo-to softshell.ReviewNoNoNoWee Burly Double WeaveRegular545 g / 1 lb 3.2 oz76 cm / 30 inNo
Gamma MX (Men's - Women's)All Round6/104/108/103/10N/AStrongest softshell.ReviewNoNoNoFortius 2.0Regular555 g / 1 lb 3.6 oz74 cm / 29.1 inNo
Sabre SV (Men's)Skiing10/1010/1010/101/10N/AStrongest ski jacket.ReviewYesYesNoN100d Most Rugged 3L Gore-Tex ProRegular595 g / 1 lb 5 oz85 cm / 33.5 inNo
Sabre (Men's)Skiing8/108/107/102/10N/AReviewYesNoNoN80p-X 3L Gore-TexRegular705 g / 1 lb 8.9 oz79 cm / 31 inNo
Sabre Insulated (Men's)Skiing7/10No data6/10No dataNo dataReviewYesNoNoN80p 2L Gore-TexRegular815 g / 1 lb 12.7 oz76 cm / 30 inNo
Rush (Men's)Skiing8/109/109/103/10N/AGo-to ski jacket. ReviewYesNoNoN80p-X & N100p-X 3L Most Rugged Gore-Tex ProRegular590 g / 1 lb 4.8 oz79.5 cm / 31.25 inNo
Rush Insulated (Men's - Women's)Skiing3/105/105/109/1016/-9ReviewNoNoYesHadron 2L Gore-Tex InfiniumRegular515 g / 1 lb 2.2 oz79 cm / 31 inNo
Macai Shell (Men's)SkiingNo dataNo dataNo dataNo dataN/AReviewYesNoNoN80p-X 3L Gore-TexRegular775 g / 1 lb 11.3 oz?No
Macai (Men's)Skiing7/107/106/101/105/-15ReviewYesNoNoN40p-X 3L Gore-TexRegular990 g / 2 lb 2.9 oz75 cm / 29.5 inNo
Macai Lightweight (aka LT) (Men's)Skiing7/107/106/102/108/-13ReviewYesNoNoN40p-X 3L Gore-TexRegular855 g / 1 lb 14.2 oz?No
Theriss Down (Women's)Skiing7/106/107/102/10No dataReviewYesNoNoN80p 2L Gore-TexRegular709 g / 1 lb 9 oz63 cm / 24.8 inNo
Sentinel (Women's)Skiing8/107/107/102/10N/AGo-to ski jacket. ReviewYesNoNoN70p 3L Gore-TexRegular640 g / 1 lb 6.6 oz73.7 cm / 29 inNo
Sentinel Insulated (Women's)Skiing8/10No dataNo dataNo data21/-6ReviewYesNoNoN80p 2L Gore-TexRegular600 g / 1 lb 5.2 oz79.8 cm / 31.5 inNo
Sentinel Relaxed (Women's)SkiingNo dataNo dataNo dataNo dataN/AYesNoNoN80p 3L Gore-TexRegular655 g / 1 lb 7.1 oz?No
Sidewinder (Women's)Skiing8/108/107/102/10N/AYesNoNoN80p 3L Gore-TexRegular570 g / 1 lb 4.1 oz?No
Andessa (Women's)Skiing10/10No dataNo data1/108/-13YesNoNoN40d 3L Gore-TexTrim869 g / 1 lb 14.7 oz67 cm / 26.4 inYes
Andessa Shell (Women's)Skiing5/10No dataNo data3/10N/ANoNoNoN70p 3L Gore-TexTrim560 g / 1 lb 3.8 oz?Yes
Micon HeatherSkiingNo dataNo dataNo dataNo dataN/AYesNoNoNP100-d 3L Gore-TexRegular685 g / 1 lb 8.2 oz83 cm / 32.5 inYes
Micon (Men's)SkiingNo dataNo dataNo dataNo dataN/AYesNoNoN80p 3L Gore-TexRegular685 g / 1 lb 8.2 oz83 cm / 32.5 inYes
Cassiar (Men's)Skiing8/107/108/103/10N/AReviewYesNoNoN70p 3L Gore-TexTrim820 g / 1 lb 12.9 oz74.5 cm / 29.3 inYes
Cassiar LT (Men's)Skiing6/106/106/105/10N/AReviewYesNoNoN70p 3L Gore-TexTrim605 g / 1 lb 5.3 oz75 cm / 29.5 inYes
Ravenna (Women's)Skiing8/107/108/103/10N/AReviewYesNoNoN70s-4 3L Gore-TexTrim725 g / 1 lb 9.6 oz69.5 cm / 27.4 inYes
Ravenna LT (Women's)Skiing6/106/106/105/10N/AReviewYesNoNoN70p 3L Gore-TexTrim540 g / 1 lb 3 oz69 cm / 27.2 inYes
Procline (Men's)SkiingNo dataNo dataNo dataNo dataN/AYesNoNoN70p Gore-Tex InfiniumTrim720 g / 1 lb 9.4 oz76 cm / 30 inYes
Shashka Stretch (Women's)SkiingNo dataNo dataNo dataNo dataN/AYesNoNoN70p Gore-Tex InfiniumTrim670 g / 1 lb 7.6 oz71 cm / 28 inYes
Sabre AR (Men's)Skiing7/108/107/107/10N/AReviewYesNoNoN70p 3L Gore-TexRegular700 g / 1 lb 8.7 oz79 cm / 31 inYes
Sentinel AR (Women's)Skiing7/108/107/107/10N/AReviewYesNoNoN70p 3L Gore-TexRegular590 g / 1 lb 4.8 oz72.5 cm / 28.5 inYes
Sabre LT (Men's)Skiing7/108/107/108/10N/AReviewYesNoNoN80p 3L Gore-TexRegular660 g / 1 lb 7.3 oz83 cm / 32.5 inYes
Sentinel LT (Women's)Skiing7/108/107/108/10N/AReviewYesNoNoN80p 3L Gore-TexRegular565 g / 1 lb 3.9 oz73.5 cm / 29 inYes
Incendia (Women's)Skiing8/109/109/103/10N/AReviewYesNoNoNP100d 3L Gore-TexTrim610 g / 1 lb 5.5 oz79 cm / 31 inYes
Indencia ISSkiingNo dataNo dataNo dataNo dataNo dataYesNoNoN80p 2L Gore-TexRegular?78 cm / 30.75 inYes
Squamish (Men's - Women's)Running5/104/107/109/10N/AGo-to running jacket.ReviewNoNoYes30D TyonoTrim140 g / 4.9 oz77.5 cm / 30.5 inNo
Norvan Windshell (Men's - Women's)RunningNo dataNo dataNo dataNo dataN/ANoNoYesPermeair 20Trim90 g / 3.2 oz73 cm / 28.75 inNo
Norvan Shell (Men's - Women's)RunningNo dataNo dataNo dataNo dataN/ANoNoNo13D 3L Gore-TexTrim190 g / 6.7 oz73 cm / 28.75 inNo
Nodin (Women's)Running8/105/105/1010/10N/ANoNoYes20D TyonoTrim130 g / 4.6 oz75 cm / 29.5 inNo
Incendo Airshell (Women's)RunningNo dataNo dataNo dataNo dataN/ANoNoYes?Trim105 g / 3.7 oz?No
Incendo (Men's)Running7/104/105/1010/10N/AReviewNoNoYesLuminTrim125 g / 4.4 oz?Yes
Norvan LT (Men's - Women's)Running5/105/108/106/10N/ANoNoNoN13p 3L Gore-TexTrim190 g / 6.7 oz?Yes
Norvan SL Ins. (Women's)RunningNo dataNo dataNo dataNo data39/4NoNoYesGore-Tex ShakeDryTrim270 g / 9.5 oz71.5 cm / 28.1 inYes
Cita (Women's)Running7/104/105/1010/10N/AReviewNoNoYesLuminTrim120 g / 4.2 oz67.5 cm / 26.5 inYes
Cita SL (Women's)Running7/104/104/1010/10N/AReviewYesNoYesPermeair 20Trim65 g / 2.3 oz61.5 cm / 24.2 inYes
Incendo SL (Men's)Running7/104/104/1010/10N/AReviewNoNoYesPermair 20 & CanimTrim80 g / 2.8 oz73 cm / 28.75 inYes
Norvan SL (Men's - Women's)Running7/106/108/108/10N/AReviewNoNoYesGore-Tex InfiniumTrim120 g / 4.2 oz77 cm / 30.4 inYes
Trino SL (Men's)Running8/105/107/106/10N/AReviewNoNoNoGore-Tex InfiniumTrim340 g / 12 oz74 cm / 29.1 inYes
Trino SL Anorak (Women's)Running8/107/108/107/10N/AReviewNoNoNoGore-Tex InfiniumTrim290 g / 10.2 oz65 cm / 25.5 inYes
Solano (Women's)Around TownNo dataNo dataNo dataNo dataN/AReviewNoNoNoGore-Tex InfiniumRelaxed355 g / 12.5 oz72 cm / 28.3 inNo
Venda Anorak (Women's)Around TownNo dataNo dataNo dataNo dataN/ANoNoNoGore-TexRelaxed255 g / 9 oz75.5 cm / 29.7 inYes
Zeta FL (Men's - Women's)Hiking4/106/104/106/10N/ANoNoNoN20r 2L Gore-TexTrim221 g / 7.8 oz76 cm / 30 inYes
Zeta SL (Men's - Women's)Hiking3/105/104/105/10N/AReviewNoNoNo2L Gore-TexTrim310 g / 10.9 oz77.8 cm / 30.6 inYes
Zeta LT (Men's - Women's)Hiking5/107/108/105/10N/ANoNoNoN40P-X 3L Gore-TexTrim335 g / 11.8 oz78 cm / 30.75 inYes
Zeta AR (Men's)Hiking7/108/107/104/10N/AYesNoNo3L Gore-TexRegular425 g / 15 oz80 cm / 31.5 inYes
 

Performance data axis of synthetic jackets (table above) and shell jackets (this table) are different. Don't compare them. 

  • REI is on a rare sale. Don't miss. Patagonia's are like up to 70% off... 
    • https://www.rei.com/h/deals

As you see, the warmest Cerium jacket is the SV model (severe weather), while the Cerium SL (superlight) is the lightest and the Cerium LT (lightweight) is in the middle. 

You can find a more detailed guide about these modifiers in Arc'teryx's Naming Scheme Page here - for all "SL", "LT" and "SV" as well as "Cerium". 

Cerium SL would be perfect for chilly summer mornings before an adventure (climbing, hiking, cycling etc.). 

Also...

  • SV is available with the hood only (since it maximizes warmth).
  • LT offers both options: With and without hoody.
  • SL offers both options: With and without hoody.

Warmth Differences

Cerium jackets are insulated both with down and synthetic materials. Let's start with down insulation and see how they line up. 

Down insulation

All 3 Cerium models in this post are equipped with a whooping 850 fill power European grey goose down. 

If you're unaware, this value represents the amount of volume the down fully expands to at rest. The higher the FP (fill power) number, the more air will be trapped and heated inside the down, and ultimately the higher the warmth will end up being. 

FP value goes up to 900 - 1000, and even the most "luxurious" parkas of Arcteryx like Thorsen, Therme, and Camosun use 750 FP down. Less than those of the Cerium's. 

Cerium SL is designed to minimize the weight while naturally having to sacrifice warmth.

However, as you can guess, the amount of down is equally important. It is possible to ensure equal warmth with a lower FP down - it's just that you're going to have to use more of it and hence the jacket will be significantly heavier.

This is why the Thorsen, for example, is warmer than Cerium SV, but it's also considerably heavier (1.1 kg vs 400 g - 2.5 lbs vs 0.9 lbs).

It's the same with these jackets:

  • SV: Equipped with (162 grams) 5.7 ounces of 850 FP down
  • LT: Equipped with (102 grams) 3.5 ounces of 850 FP down
  • SL: Equipped with (58 grams) 1.9 ounces of 850 FP down

This is why SV is the heaviest and warmest, and SL is the least warm and lightest.

Synthetic insulation

In addition to down insulation, the areas of these jackets which experience a lot of movement (such as the armpits) are also equipped with synthetic insulation (this is actually the case for all Arc'teryx down jackets):



  • SV: 140 g/m² and 80 g/m² Coreloft insulation.
  • LT: 100 g/m² and 80 g/m² Coreloft insulation.
  • SL: 100 g/m² and 40 g/m² Coreloft insulation.

As a result, insulation loss around these areas (which typically occurs due to down migration) are minimized.

Results

Generally speaking, with only a long sleeved shirt under and without a shell on top, for an average person, during daily use (strolls, power walks, etc) and with enough wind to cause an umbrella to twist in your hand...

The approximate lowest temperatures where an average person can wear these jackets without feeling cold can be listed as:

  • SV: -14 deg C (7 deg F) - ≈400 grams (≈15 oz).
  • LT: -2 deg C (28 deg F) - ≈300 grams (≈11 oz).
  • SL: +6 deg C (43 deg F) - ≈200 grams (≈7 oz).

If you think you run hotter or colder than the average person, mentally shift these temperatures accordingly.

Check out their current prices at the bottom of this page.

Part of the baggier cut of Cerium SV results from, again, trying to maximize the warmth.

Fit

SV is a little baggier than SL and LT. 

With the baggier cut, more air trapped between your body and the jacket. As a result, more air is heated - which works as a great extra insulation. Many other insulated gear (such as sleeping bags) leverage the same principle.

There are cases where a baggier cut actually comes counter productive since it allows too much air to circulate and hence air can't get heated properly. Some even let the cold air in. But in our case it's done correctly and the baggier cut of Cerium SV perfectly adds to its warmth.

Baggier cut also lets you layer under and still stay equally comfortable when wearing the jacket - which is something to consider. 

Both SL and LT come with the identical trim fit. One of their biggest pro is that they fit fantastic and provides exceptional comfort. 

  • Fit

I'm 5'11", 165 lbs, athletic build. Size M fits me perfectly. 

My size is always the same. Arc'teryx, Patagonia, TNF, Salomon, Columbia, Nike, Adidas, Under Armour, Zara... Doesn't matter. 


  • Arc'teryx's 2024 men's fit revision

Straight from arcteryx.com on what's changed: 

Source: https://arcteryx.com/us/en/help/sizing/mens/tops/new

Not all jackets come with revised fit. Only the ones with following statement. 

  • Poll

Which Arc'teryx fit do you prefer?

  • Poll

Which cuff type do you like more?

Face Properties

This can be another important thing to consider. Outer fabrics are quite fragile.

Waterproofing

SV and LT are DWR coated, whereas SL isn't.

  • 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 at arcteryx.com 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. 

Still, down insulated jackets (at least say heavily down insulated jackets with little synthetic insulation besides - like Cerium) are usually more prone to losing their performances out in wet weather, compared to synthetic jackets. 

This is the main downside to consider with all these jackets - even with SV. 

You can say all these jackets are moisture resistant - but not water resistant.

If this is a deal-breaker for you, and hence you'd rather a truly wind & waterproof fabric instead, the reasonable substitutes for each model can be listed as follows:

  • Cerium SV - Ceres SV [Read my review]
  • Cerium LT - Thorium AR [Read my review]
  • Cerium SL - Proton FL or Atom SL [Read my review]

Checking out this post where we listed Arcteryx's and Patagonia's top synthetic insulated jackets can be helpful as well.

Another option would be to get a hard shell on top. Cerium is a mid-layer line, after all.

Arc'teryx staff also stated the hard shell option and low water resistance performance of Cerium here:

One of the best hard shell options to wear over a Cerium is Beta AR (See Men's - See Women's). This is also stated by Arc'teryx staff as well for Cerium LT:

You can read more about Beta AR in this post of mine.

Windproofing

Mid to strong winds may (will) push through the nylon and down layers of all three Cerium models but lighter strength winds are usually blocked.

Durability

Cerium LT uses a thicker, heavier and more durable nylon both on the face fabric & lining compared to SL (Arato 10 vs Arato 7).

SV, on the other hand, is equipped with Arato 10 on the face fabric and 7 on the lining.

  • Arc'teryx Jacket Finder: https://arcteryx.com/us/en/shop/jacket-finder

Still, none of these jackets are really durable as they aren't abrasion resistant. They're meant to wear under a shell in most physically active or foul weather conditions.

That does NOT mean that they can't be worn as a standalone piece, they certainly can, however, you're going to have to treat equally kind to LT, SV and SL. 

They're all fragile. Most complained side of these jackets. Let's hope seeing at least a 30 or 40 fabric in future updates.

If you WILL be treating your jacket fairly kind or get a shell over it, though; you probably won't regret a fragile construction since it won't cause a negative impact.

Conclusion

If you'll be wearing your Cerium below, say, -8 deg C (17 deg F) a fair amount of days, then I'd recommend the Cerium SV. 

If winters aren't really THAT cold in your town (say, above -8 deg C (17 deg F) most days), then I'd recommend Cerium LT because of its fantastic fit as well as less risk of overheating. 

If you're planning to wear the jacket mainly in fall and spring (above +5 deg C (40 deg F)) during various outdoor activities such as climbing and hiking, then I'd recommend the Cerium SL. 

Filed Under: Down Jackets Tagged With: arcteryx, arcteryx insulated jackets, arcteryx jackets, jackets

Reader Interactions

Comments

  1. Mathieu Fagnan says

    February 1, 2021 at 10:34 pm

    Hey Canberk. Thanks for the good work… for référence, I own a Proton LT and a TNF Ventrix… form your experience, how would rate the Cerium SL warmth UNDER A GORE-TEX shell compare to the Proton LT for low intensity activity (as a mid layer for trekking) … my guess is that the cerium will be warmer, but would l’aki to validate before buying… couldn’t get a clear answer from Arc’teryx. Regards !

  2. Dave says

    March 11, 2021 at 5:10 am

    You give three very different atings for the Cerium SV:

    “For winter, get the Cerium SV for freezing (down to 5 deg F (-20 deg C)”

    Then:

    “SV: -20 deg C (-5 deg F) ”

    Then your table says:

    “Arc’teryx Ceres SV (Men’s) -15/-26”

    • Canberk says

      April 8, 2021 at 1:56 pm

      Ceres SV and Cerium SV are two different jackets.

  3. Michael says

    May 28, 2021 at 10:41 pm

    Hi Canberk thanks for your quality breakdown on the difference between SV,LT and SL. I really liked reading all your great information.
    I just wanted to say thanks for your effort and the time you put in.
    Cheers Michael from Australia.

Primary Sidebar

Crunch Search

About me

Hey, what's up? Canberk here. A former General Electric Aviation Design Engineer. Academically involved in cold weather outdoor gear, particularly wearable heating systems using conductive polyester and polyamide yarns. Read more about me.

  • Email
  • Facebook
  • Instagram
  • LinkedIn

Featured Posts

  • Temperature Ratings of Insulated Jackets
  • Best Arc’teryx Jackets
  • Best Patagonia Jackets

  • Newsletter
Sign up

I rarely send mails. 

window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-GDD0YD30SK');

  • BASICS
  • PRO TIPS
  • GEAR
  • MISCELLANEOUS
  • ABOUT
  • PRIVACY POLICY