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Arc'teryx Therme Insulated

Arc’teryx Therme Parka Review

Last updated: November 22, 2023 by Canberk Koksal

Arc'teryx Therme Parka. Click on image to visit it on arcteryx.com.

Arc'teryx's Therme line contains 2 products: 

  • Therme Parka: https://arcteryx.com/us/en/shop/mens/therme-parka (revised for Winter 2023)
    • The most popular, flagship Therme Parka. Although fill weight remains the same at 120 grams, in FW23, 100 + 140 gsm synthetic insulation is reduced to 60 + 80 gsm. 
  • Therme SV Parka: https://arcteryx.com/us/en/shop/mens/therme-sv-parka (Released for Winter 2023)
    • Warmest Arc'teryx parka of all time. Longest of all 3 options.
    • It's even warmer than the all-time-warmest-Arc'teryx-parka, the Thorsen Parka (Men's - read review). It's so warm that even when it's pretty cold but not freezing (around, say, 20 deg F (-7 deg C)), this parka has the potential to overheat most of us. 
  • Discontinued for Winter 2024: Therme Insulated Jacket (formerly Therme LT Jacket, revised for Winter 2023)
    • In FW23, 80 gsm insulation is reduced to 40 gsm. This cuts back the warmth quite a bit. There are much better Arc'teryx jackets around this warmth level, so I pretty much see no reason to get Therme Insulated Jacket over any one of them. I also personally do not think that this jacket is going to last long. 
    • Arc'teryx likes temporary discontinuations. Time will show if Therme Insulated Jacket will return. 

Make sure to see the Therme SV Parka vs Therme Parka side by side comparison page at arcteryx.com. It's a great way to compare their specs side by side. 

You might also want to check out Arc'teryx's Jacket Finder tool. 

I own the Therme Parka (item #1) and will review it in this article. 

Public poll: Best colorways of Therme


Which color do you like the most? Please upvote. 

Black Sapphire

Black

Click on the images to enlarge. 

Also see: 

  • https://outdoorcrunch.com/thorsen-therme-camosun/
  • https://outdoorcrunch.com/best-arcteryx-jacket/

Close up of the logo embedded on the sleeve. 

Therme Parka was revised in Fall 2022. 

The main change is in the synthetic insulation: It's been cut back from 100 + 140 gsm of Coreloft to 60 + 80 gsm of it. 

Almost HALF of the synthetic insulation is gone. Although the fill weight remains the same (which is a bigger factor when it comes to determining the end warmth of a blend jacket), this still is pretty big news in my book. 

Seems like Arc'teryx already having extremely warm parkas (formerly Thorsen and now Therme SV - mind you that these two are different products and aren't replacements of one another) has forced them go this way. They might have wanted to up the variety in their catalogue. 

Because even the previous Therme Parka had the potential to come too warm for UK winter every now and then - let alone Thorsen Parka and Therme SV Parka. There are few places in the world where you can wear them without overheating. 

So enter the revised FW23 Therme Parka. 

If you're looking to get a parka for casual outgoings when it's pretty cold (see temperature ratings for more info), then Therme could respond very well to your needs. 

  • 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

Pre 2020 Therme Parka (Men's - see image). It's Arc'teryx's third warmest parka, coming after the beast Thorsen (Men's) and the Therme SV Parka (Men's). This older model was (much) warmer than the new 2023 Therme Parka. 

You might also want to check out my Camosun vs Therme vs Thorsen article by the way. 

Warmth

Down Insulation

One of the main reasons why this and other Arc'teryx parkas are so expensive is in the quality of their down. 

750 FP down of the Therme is one of the highest quality down used in the entire market.

As a result, not only does this make the Therme equally warm at a much lower weight, but it also helps it provide the same insulation capability after years or even decades - unlike other lower quality down products. 

Read more about this in my Temperature Ratings of Insulated Jackets post. 

Additional Synthetic Insulation

One of my favorite things about Therme is in its synthetic insulation used in strategical areas. 

This isn't extraordinary. 

  • 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, especially down parkas, tend to use synthetic insulation in addition. That's because down loses its insulating power when it gets wet, and hence the manufacturers solve this problem by sheltering the fill with synthetic insulators. 

But only this, but the manufacturers also tend to use more of synthetic insulation in areas where more warmth, water resistance and/or durability are desired, such as shoulders, lower arms, back, etc. 

This is why in some jackets you see two different numbers with the same unit. For Therme Parka, for example, this number is 60 + 80 gsm (grams square meter), which states the weight of insulation used per square meter. As you can guess, the number 80 here represents the density of reinforcements. 

  • 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 brand do you like more?

What is extraordinary about Therme Parka, on the other hand, is how MUCH of synthetic insulation it's equipped with. 

Even after cutting it back almost by half (it was 140 + 100 gsm previously), 60 + 80 gsm is still serious amount. 

Hell my Nuclei FL (Men's - read review) has only 65 gsm of synthetic insulation and zero down, but it still keeps me warm quite a bit. I've even traveled across Iceland in late March wearing nothing but my Nuclei FL + another strong base layer. 

I'm not saying Nuclei FL is enough for Iceland, by the way. It most likely isn't. I just tend to run extremely warm. And I still did, by the way, take my Thorium AR (Men's - Women's - read review) there too, just in case. 

The old Therme Parka. 

Think about the level of warmth 60 + 80 AND 120 grams of 750 FP down would provide. 

Weather Resistance

I'd highly doubt you'll wish having more weather resistance than what the Therme Parka has to offer. 

This is an ordinary advantage for parkas. Because when manufacturing a parka, you don't have to worry about membrane breathability. 

Because their intended use is casual in freezing temperatures. This helps a lot in the weather resistance department. 

The weather protection and breathability usually have a negative correlation in between. It makes your job much easier when you only have to worry about one of them, without necessarily trying to find a good balance in between. 

P75d Gore-Tex 2L face fabric of the Therme does exactly this. It's not (doesn't have to be) breathable, but it is quite weather resistant. 

It's lighter than the Camosun's N150p-x Gore-Tex 2L, while offering slightly superior weather protection. Therme's face fabric is also softer, and smoother to the touch. 

It also comes with DWR coating, by the way. 

  • 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. 

Two way zipper

If you're unaware, a two way main front zipper is what enables you to keep the upper half of the jacket zipped, while also keeping the bottom half unzipped. 

Hood is adjustable. 

This doesn't only help a lot with breathability but it also allows for more comfort when sitting down with long parkas (e.g Therme Parka), as the parka gets prevented from crumpling. 

Some people don't like two way zippers, by the way. 

Their reasoning behind this is how often they make difficulties and stop working smoothly. 

Sure Arc'teryx warranty has your back, but why go through such a hassle if it's not that important to you? 

So if that's the case, e.g if you dislike two way zippers, then check out this Arc'teryx Camosun Parka. 

It's a fascinating parka pretty similar to the Therme, and it doesn't come with a two way zipper. 

I also conducted a survey with 100+ people in here about two way zippers by the way. Here's the result. 

Do you prefer two way zippers?

Yes 131
65 %
No 70
35 %

Pockets

In addition to two hand warmers, Therme also offers one internal and one external zippered chest pocket. Plenty of room inside them. 

Internal zippered pocket. 

More photos

Arc'teryx Therme Parka Review: Hood
Arc'teryx Therme Parka Review: Cuffs

Filed Under: Parkas Tagged With: Arc'teryx Camosun, Arc'teryx Therme Insulated, Arc'teryx Therme Parka, Arc'teryx Therme SV, Arc'teryx Thorsen, arcteryx, arcteryx insulated jackets, arcteryx jackets, jackets

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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.

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