Y'all know this is just my opinion... right?
Name Est. Temp (F/C) Breathability Wind Res. Abrasion res. Review Synthetic Fill Synth. Fill Weight Face Fabric Pit venting? Two way zipper? Stuffs into itself? Activity Fit Weight Length (CB) Internal pockets External pockets
Arc'teryx Alpha (Men's - Women's) -18/-28 No data No data No data Review Coreloft 90 g/m² N30r 2L GoreTex Infinium No Yes Yes Climbing Regular 805 g / 1 lb 12.4 oz 86 cm / 34 in No
Feathered Friends Khumbu -17/-27 No data No data No data Primaloft Gold 200 g Pretex Shield XT No No Yes All Round Regular 960 g / 2 lb 2 oz ? No
Arc'teryx Ceres SV (Men's - Women's) -15/-26 No data No data No data Review Coreloft ? Arato 30 No Yes Yes All Round Regular 880 g / 1 lb 15 oz 86 cm / 34 in Yes
Mountain Equipment K7 (Men's) -13/-25 No data No data No data N/A N/A 30D Drilite No Yes Yes All Round Regular 820 g / 1 lb 13 oz 76 cm / 30 in No
Rab Positron Pro (Men's) -13/-25 No data No data No data N/A N/A 40D Pertex Quantum Pro No Yes Yes All Round Regular 740 g / 1 lb 10 oz 85 cm / 33.5 in No
Arc'teryx Therme SV (Men's) -11/-24 No data No data No data Review Coreloft 60 g/m² 2L Gore-Tex No Yes No Around Town Regular 1.072 kg / 2 lb 5.8 oz 96 cm / 37.75 in No
Patagonia Grade VII -11/-24 No data No data No data N/A N/A 1.2 oz 15 & 20D Pertex Quantum No Yes No Around Town Regular 743 g / 1 lb 10.1 oz 83 cm / 32.5 in Yes
Patagonia AlpLoft (Men's - Women's) -10/-23 No data No data No data N/A N/A Pertex Quantom No Yes Yes All Round Regular 680 g / 1 lb 8 oz 81 cm / 31.8 in No
Arc'teryx Firebee AR (Men's - Women's) -10/-23 8/10 10/10 No data Review N/A N/A Arato 7 & 10 No Yes Yes All Round Regular 680 g / 1 lb 8 oz 79 cm / 31 in Yes
Mountain Equipment Exo (Men's) -10/-23 No data No data No data N/A N/A Nylon No Yes Yes All Round Regular 770 g / 1 lb 11.2 oz 79 cm / 31 in No
Arc'teryx Thorsen (Men's) -7/-22 No data No data No data Review Coreloft 60 g/m² 90D 2L Gore-Tex No Yes No Around Town Regular 1.1 kg / 2 lb 5.4 oz 91 cm / 36 in Yes
Patagonia Frozen Range (Men's - Women's) -6/-21 No data No data No data Review N/A N/A 4 oz 75-denier polyester No No No Around Town Regular 1.253 kg / 2 lb 12.2 oz 84 cm / 33 in Yes
Mountain Equipment Li. Ec. (Men's - Women's) -5/-20 No data No data No data N/A N/A 50D Drilite No Yes No All Round Regular 822 g / 1 lb 13 oz 72 cm / 28 in Yes
Arc'teryx Thorium Parka (Women's) -2/-19 No data No data No data Review Coreloft 80 + 140 g/m² Arato 20 No Yes No Around Town Regular 610 g / 1 lb 5.5 oz 115.8 cm / 45.6 in No
Rab Neutrino Pro (Men's - Women's) -2/-19 No data No data No data N/A N/A 20D Pertex Quantum Pro No Yes Yes All Round Regular 585 g / 1 lb 8.6 oz 77 cm / 30.3 in No
Arc'teryx Patera Long (Women's) 0/-18 No data No data No data Coreloft 60 + 80 g/m² 2L Gore-Tex No Yes No Around Town Regular 1.1 kg / 2 lb 6.8 oz 117.5 cm / 46.25 in No
Patagonia Stormshadow (Men's) 0/-18 No data No data No data N/A N/A 75D Polyester No No No Around Town Regular 1.182 kg / 2 lb 9.7 oz ? No
Arc'teryx Beta Down Insulated (Men's) 0/-18 No data No data No data Coreloft 80 g/m² 2L 40D Gore-Tex Yes Yes No All Round Regular 760 g / 1 lb 10.8 oz 79 cm / 31 in No
Arc'teryx Dually Belay (Men's) 0/-18 No data No data No data Review ThermaTek 92 g/m² 30D Nylon No Yes Yes Around Town Regular 705 g / 1 lb 9 oz 84 cm / 33 in Yes
Arc'teryx Centrale (Women's) 0/-18 No data No data No data Review Coreloft 60 g/m² N90p Nylon No Yes No Around Town Regular 885 g / 1 lb 15.2 oz 95 cm / 37.5 in Yes
Arc'teryx Thorium SV Parka (Men's) 0/-18 No data No data No data Coreloft 80 + 140 g/m² Arato 30 & 2L Gore-Tex Infinium No Yes No Around Town Regular 685 g / 1 lb 8.2 oz 85 cm / 33.5 in No
Arc'teryx Camosun (Men's) 0/-18 No data No data No data Review Coreloft 140 g/m² N150p-X Gore-Tex No No No Around Town Trim 960 g / 2 lb 1.9 oz 80 cm / 31.5 in Yes
Arc'teryx Cerium SV (Men's - Women's) 0/-18 No data No data No data Review Coreloft 80 + 140 g/m² Arato 7 & 10 No No Yes All Round Regular 415 g / 14.6 oz 69.5 cm / 27.4 in Yes
Arc'teryx Liatris Parka (Women's) 2/-17 No data No data No data Climashield 80 g/m2 + 60 g/m2 70D 3L Gore-Tex No No No Around Town Regular 1.093 kg / 2 lb 6.6 oz 109 cm / 43 in No
Arc'teryx Revet (Men's) 2/-17 No data No data No data N/A N/A 20d nylon/spandex double weave No Yes No Around Town Regular 755 g / 1 lb 10.6 oz 91 cm / 36 in Yes
Arc'teryx Thorium SV (Men's) 3/-16 No data No data No data Coreloft 80 + 140 g/m² Arato 30 & 2L Gore-Tex Infinium No Yes Yes Around Town Regular 645 g / 1 lb 6.8 oz 73 cm / 28.75 in No
Arc'teryx Piedmont (Men's) 3/-16 No data No data No data N/A N/A Arato 10 No Yes Yes Around Town Regular 515 g / 1 lb 2.2 oz 82 cm / 32.25 in Yes
Outdoor Research Sup. Alp. (Men's - Women's) 3/-16 No data No data No data N/A N/A 30D Pertex Quantum Pro No Yes No All Round Regular 825 g / 1 lb 13.1 oz 85 cm / 33.5 in No
Arc'teryx Fission SV (Men's - Women's) 3/-16 3/10 No data No data Review Coreloft Continuous 90 + 65 g/m² N80p-X Gore-Tex 2L No Yes No All Round Regular 890 g / 1 lb 15.4 oz 81 cm / 31.8 in Yes
Arc'teryx Alessa Long 3/-16 No data No data No data Coreloft 80 + 120 g/m² N90p 2L Gore-Tex No No No Around Town Regular 1.015 kg / 2 lb 3.8 oz 123 cm / 48.5 in Yes
Arc'teryx Radsten Parka (Men's) 3/-16 No data No data No data Coreloft Compact 120 g/m² NP100d Gore-Tex 2L No No No Around Town Regular 745 g / 1 lb 10.3 oz 82 cm / 32.25 in Yes
Rab Electron Pro (Men's - Women's) 5/-15 No data No data No data N/A N/A 20D Pertex Quantum Pro No Yes Yes All Round Regular 525 g / 1 lb 2.5 oz 74 cm / 29 in No
Rab Infinity Alpine (Men's) 5/-15 No data No data No data N/A N/A 30D & 13D Gore-Tex Infinium No Yes Yes All Round Regular 551 g / 1 lb 3.4 oz 76.5 cm / 30.1 in No
Arc'teryx Alpha Lightweight (Men's - Women's) 5/-15 No data No data No data Coreloft Compact 40 g/m² Hadron 2L Gore-Tex Infinium No Yes Yes Climbing Regular 540 g / 1 lb 3 oz 79.5 cm / 31.25 in No
Arc'teryx Therme Parka (Men's) 5/-15 No data No data No data Review Coreloft 60 + 80 g/m² P75d Polyester No Yes No Around Town Regular 991 g / 2 lb 3 oz 85 cm / 33.5 in No
Arc'teryx Liatris (Women's) 5/-15 No data No data No data Climashield 80 g/m2 + 60 g/m2 70D 3L Gore-Tex No No No Around Town Regular 890 g / 1 lb 15.4 oz 75 cm / 29.5 in No
Arc'teryx Macai (Men's) 5/-15 No data No data No data Review Coreloft Compact 60 + 100 g/m² N40p-X 3L Gore-Tex Yes, zips No No Ski/Snowboard Regular 1 kg / 2 lb 4 oz 76 cm / 30 in No
Arc'teryx Nuclei SV (Men's - Women's) 5/-15 1/10 10/10 2/10 Review Coreloft Continuous 190 g/m2 + 90 g/m2 Arato 15 No Yes Yes All Round Regular 600 g / 1 lb 5.2 oz 81 cm / 31.8 in No bestsyntheticjackets 2x dump 1x chest
Black Diamond Access Down (Men's - Women's) 7/-14 No data No data No data N/A N/A 30D ripstop nylon No Yes Yes All Round Regular 442 g / 15.6 oz 76 cm / 29.75 in No
Arc'teryx Kappa (Men's) 7/-14 No data 9/10 9/10 Review Coreloft Continuous 140 g/m² N70p Gore Thermium No Yes No All Round Regular 755 g / 1 lb 10.6 oz 80 cm / 31.5 in Yes
Patagonia Jackson Glacier Parka (Men's - Women's) 7/-14 No data No data No data N/A N/A 50D Polyester No No No Around Town Regular 1.142 kg / 2 lb 8.3 oz ? No
Arc'teryx Prema Down Coat (Women's) 7/-14 No data No data No data N/A N/A Nylon No Yes No Around Town Regular 794 g / 1 lb 12 oz 117 cm / 46.1 in Yes
Arc'teryx Radsten Insulated (Men's) 7/-14 No data No data No data Coreloft Compact 120 g/m² NP100d Gore-Tex 2L No No No Around Town Regular 715 g / 1 lb 9.2 oz 73 cm / 28.75 in Yes
Rab Microlight Alpine (Men's - Women's) 7/-14 No data No data No data N/A N/A 30D Pertex Quantum No No Yes All Round Regular 466 g / 1 lb 0.5 oz 72 cm / 28.5 in No
Feathered Friends Eos 8/-13 No data No data No data N/A N/A Pertex Quantum No No Yes All Round Regular 306 g / 10.8 oz ? No
Patagonia Macro Puff (Men's - Women's) 8/-13 No data No data No data Review PlumaFill 135 + 90 g 10D Recycled nylon ripstop No No No All Round Regular 435 g / 15.3 oz 79 cm / 31 in Yes
Arc'teryx Macai Lightweight (aka LT) (Men's) 8/-13 No data No data No data Coreloft Compact 60 g/m² N40p-X 3L Gore-Tex Yes, zips No No Ski/Snowboard Regular 855 g / 1 lb 14.2 oz 74 cm / 29.1 in No
Patagonia Tres 3-in-1 (Men's - Women's) 8/-13 No data No data No data Review N/A N/A 5.5 oz polyester No No No Around Town Regular 1.307 kg / 2 lb 14.1 oz 85 cm / 33.5 in No
Arc'teryx Seyla (Women's) 8/-13 No data No data No data N/A N/A Arato 10 No Yes No Around Town Regular 507 g / 1 lb. 1.9 oz. 87 cm / 34.4 in Yes
Arc'teryx Koda (Men's) 8/-13 No data No data No data Coreloft 80 + 140 g/m² N80p-X Gore-Tex No No No Around Town Regular 720 g / 1 lb 9.4 oz 75 cm / 29.5 in Yes
Patagonia DAS (Men's - Women's) 10/-12 1/10 9/10 3/10 Review PrimaLoft Gold Insulation Eco 133 + 40 g Pertex Quantum Pro No Yes Yes All Round Regular 555 g / 1 lb 3.6 oz 84 cm / 33 in No bestsyntheticjackets 2x dump 1x chest
Patagonia Vosque 3-in-1 (Women's) 10/-12 No data No data No data Review ThermoLite 100 g 65% nylon, 35% polyester No No No Around Town Regular 1.360 kg / 3 lb 90 cm / 35.5 in No
Arc'teryx Thorium (Men's - Women's) 12/-11 No data No data No data Review Coreloft 80 + 140 g/m² Arato 30 No Yes Yes All Round Regular 517 g / 1 lb 2.2 oz 71.5 cm / 28.1 in No
Patagonia City Storm Down (Men's - Women's) 12/-11 No data No data No data N/A N/A 4.2 oz polyester No No Yes All Round Regular 468 g / 16.5 oz 91 cm / 36 in Yes
Patagonia Jackson Glacier (Men's - Women's) 12/-11 No data No data No data Review N/A N/A 3.6 oz 50D polyester No Yes No Around Town Regular 880 g / 1 lb 15 oz 79 cm / 31 in No
Arc'teryx Thorium AR 2020 (Men's - Women's) 14/-10 No data No data No data Review Coreloft 80 + 140 g/m² Arato 30 No No Yes All Round Regular 490 g / 1 lb 1.3 oz 72 cm / 28.3 in Yes
Patagonia Fitz Roy (Men's - Women's) 14/-10 No data No data No data N/A N/A 20D Nylon No No Yes All Round Regular 632 g / 1lb 6.3 oz 74 cm / 29 in No
Arc'teryx Sensa (Women's) 14/-10 No data No data No data Coreloft Compact 120 g/m² NP100d Gore-Tex 2L No Yes No Around Town Relaxed 785 g / 1 lb 11.7 oz 86 cm / 34 in Yes
Arc'teryx Ralle (Men's) 14/-10 No data No data No data Coreloft 120 g/m² N80p-X 2L Gore-Tex No Yes No Around Town Regular 735 g / 1 lb 9.9 oz 83 cm / 32.5 in No
Patagonia Hi-Loft (Men's - Women's) 14/-10 No data No data No data Review N/A N/A 1.4 oz 30D polyester No No Yes All Round Regular 540 g / 1 lb 3 oz 76 cm / 30 in Yes
Arc'teryx Coelle (Women's) 14/-10 No data No data No data Coreloft 80 + 140 g/m² 40D 2L Gore-Tex No Yes No Around Town Regular ? 95 cm / 37.4 in No
REI Magma 850 Hoodie 2.0 (Men's - Women's) 14/-10 No data No data No data N/A N/A Pertex mini ripstop nylon No No Yes All Round Regular 340 g / 13.75 oz 74 cm / 29.25 in No
Arc'teryx Beta Insulated Coat (Women's) 16/-9 No data No data No data Review Coreloft 80 g/m² + 120 g/m² 2L 40D Gore-Tex No Yes No Around Town Regular 600 g / 1 lb 5.2 oz 86 cm / 34 in No
Arc'teryx Atom Heavyweight (aka AR) (Men's - Women's) 18/-8 4/10 8/10 8/10 Review Coreloft Continuous 120 g/m2 + 80 g/m2 + 60 g/m2 30D Tyono Yes, mesh No No All Round Regular 475 g / 1 lb 74 cm / 29.1 in No bestsyntheticjackets 1x chest -
Patagonia Downdrift (Men's - Women's) 18/-8 No data No data No data N/A N/A 4.2 oz polyester No No No Around Town Regular 1.014 kg / 2 lb 3.8 oz ? No
Arc'teryx Magnus (Men's) 19/-7 No data No data No data Coreloft 80 g N60p Gore-Tex 2L No No No Around Town Regular 690 g / 1 lb 8.3 oz 83 cm / 32.5 in Yes
Rab Infinity Microlight (Men's - Women's) 19/-7 No data No data No data N/A N/A 13D Gore-Tex Infinium No No Yes All Round Regular 452 g / 15.9 oz 74 cm / 29.1 in No
Arc'teryx Proton Heavyweight (Men's - Women's) 21/-6 6/10 7/10 10/10 Review Coreloft 100 g/m2 + 60 g/m2 Fortius Air 50 No No No All Round Regular 540 g / 1 lb 3 oz 77 cm / 30.5 in No bestsyntheticjackets 2x dump 2x chest
Arc'teryx Agrium (Men's - Women's) 21/-6 No data No data No data N/A N/A Arato No No Yes All Round Regular 365 g / 12.9 oz 75 cm / 29.5 in Yes
Arc'teryx Beta Insulated (Men's - Women's) 21/-6 No data No data No data Review Coreloft Continuous 80 g/m² 2L 40D Gore-Tex Yes, zips Yes No All Round Regular 680 g / 1 lb 8 oz 78.5 cm / 31 in No
Arc'teryx Patera (Women's) 21/-6 No data No data No data Review Coreloft 60 + 80 g/m² 2L Gore-Tex No Yes No Around Town Trim 867 g / 1 lb 14.6 oz 99 cm / 39 in No
Patagonia Topley (Men's) 23/-5 No data No data No data N/A N/A 6 oz polyester No Yes No All Round Regular 1.133 kg / 2 lb 8 oz 77 cm / 30.5 in No
Arc'teryx Alpha IS (Men's) 23/-5 No data No data No data Coreloft Continuous 65 g/m² N40p-X 2L Gore-Tex No Yes Yes Climbing Regular 610 g / 1 lb 5.5 oz 78 cm / 30.75 in Yes
Patagonia Down Sweater (Men's - Women's) 23/-5 No data No data No data Review N/A N/A 1.4 oz 20x30D polyester No No Yes All Round Regular 428 g / 15.1 oz 67 cm / 26.25 in No
Arc'teryx Epsilon (Men's) 26/-3 No data No data No data Coreloft Compact 80 g/m² Fortius 1.0 No No No Around Town Regular 644 g / 1 lb 6.7 oz ? No 1x chest -
Patagonia Silent Down (Men's - Women's) 26/-3 No data No data No data Review N/A N/A 2.2 oz polyester No No No Around Town Regular 585 g / 1 lb 4.7 oz 74 cm / 29 in No
Arc'teryx Therme Insulated (Men's) 26/-3 No data No data No data Review Coreloft Compact 40 g/m² 2L Gore-Tex No No No Around Town Regular 960 g / 2 lb 1.9 oz 73 cm / 28.75 in Yes
Arc'teryx Cerium (aka LT) (Men's - Women's) 26/-3 No data No data No data Review Coreloft 80 + 100 g/m² Arato 15 No No Yes All Round Trim 335 g / 11.8 oz 72 cm / 28.3 in No
Mountain Hardwear GW/2 (Men's - Women's) 28/-2 No data No data No data N/A N/A 10D Ripstop Nylon No No Yes All Round Trim 250 g / 8.8 oz 70 cm / 27.5 in No
Arc'teryx Cerium LT 2020 (Men's - Women's) 28/-2 No data No data No data Review Coreloft 80 + 100 g/m² Arato 10 No No Yes All Round Trim 305 g / 10.8 oz 72 cm / 28.3 in Yes
Arc'teryx Nuclei (aka FL) (Men's - Women's) 32/0 2/10 9/10 2/10 Review Coreloft Continuous 65 g/m² Arato 10r No No Yes All Round Regular 325 g / 11.5 oz 75 cm / 29.5 in No bestsyntheticjackets 2x dump -
Patagonia DAS Light (Men's - Women's) 34/1 2/10 8/10 2/10 Review PlumaFill 65 g 10D Pertex Quantum Pro No Yes Yes All Round Regular 320 g / 11.3 oz 77 cm / 30.5 in No bestsyntheticjackets - 1x chest
Patagonia Isthmus (Men's) 36/2 No data No data No data ThermoGreen 60 g 4.2 oz polyester No No No Around Town Regular 895 g / 1 lb 15.6 oz 70 cm / 27.5 in No
Patagonia AlpLight (Men's - Women's) 36/2 No data No data No data N/A N/A 0.8 oz 10D polyester No No Yes All Round Slim 270 g / 9.5 oz 74 cm / 29 in No
Arc'teryx Proton (aka LT) (Men's - Women's) 37/3 7/10 7/10 8/10 Review Coreloft Compact 80 g/m2 + 60 g/m2 Fortius Air 20 No No No Climbing Trim 375 g / 13.2 oz 75 cm / 29.4 in No bestsyntheticjackets - 1x chest
Patagonia Nano Puff (Men's - Women's) 37/3 4/10 6/10 6/10 Review PrimaLoft Gold Insulation Eco 60 g 22D Polyester No No Yes All Round Regular 363 g / 12.8 oz 71.5 cm / 28 in No bestsyntheticjackets 1x chest -
Arc'teryx Norvan SL Ins. (Men's - Women's) 39/4 No data No data No data Coreloft Compact 40 g/m² Gore-Tex ShakeDry No No Yes Running Trim 270 g / 9.5 oz 71.5 cm / 28.1 in Yes
Patagonia Micro Puff (Men's - Women's) 41/5 5/10 6/10 5/10 Review PlumaFill 65 g Pertex Quantum No No Yes All Round Regular 298 g / 10.5 oz 75 cm / 29.5 in No bestsyntheticjackets 2x dump -
Patagonia Nano Air (Men's - Women's) 41/5 7/10 5/10 5/10 Review FullRange 60 g 33D nylon ripstop No No Yes All Round Trim 401 g / 14.14 oz ? No bestsyntheticjackets - 2x chest
Arc'teryx Atom (aka LT) (Men's - Women's) 43/6 9/10 6/10 7/10 Review Coreloft Continuous 60 g/m² 20D Tyono Yes, mesh No No All Round Trim 375 g / 13.2 oz 74 cm / 29.1 in No bestsyntheticjackets 1x chest -
Arc'teryx Cerium Lightweight (aka SL) (Women's) 43/6 No data No data No data Review Coreloft 40 + 100 g/m² Arato 7 No No Yes All Round Trim 215 g / 7.6 oz 69 cm / 27.2 in No
Arc'teryx Cerium Hybrid (Men's) 44/7 No data No data No data Coreloft 40 + 100 g/m² Arato 15 + Fortius Air 50 No No Yes All Round Trim 260 g / 9.2 oz 70 cm / 27.5 in No
Arc'teryx Proton Hybrid (Men's - Women's) 46/8 5/10 8/10 8/10 Review Coreloft Compact 40 g/m² Fortius Air 50 No No No All Round Trim 365 g / 12.9 oz 76 cm / 30 in No - 1x chest
Arc'teryx Proton Lightweight (aka FL) (Men's - Women's) 48/9 8/10 4/10 7/10 Review Octa Loft 94 g/m² Fortius Air 20 No No No Climbing Trim 343 g / 12.1 oz 75 cm / 29.5 in No bestsyntheticjackets - 1x chest
Patagonia Nano Air Light Hybrid (Men's - Women's) 50/10 No data No data No data FullRange 40 g 20D nylon ripstop No No No All Round Trim 335 g / 11.8 oz ? No
Arc'teryx Atom Lightweight (aka SL) (Men's - Women's) 52/11 10/10 2/10 7/10 Review Coreloft Compact 40 g/m² 20D Tyono Yes, mesh No No All Round Trim 270 g / 9.5 oz 72 cm / 28.3 in No bestsyntheticjackets - -
I've got the most recent (Winter 2024) models of all 3.
These are the product pages of the most recent revisions:
- https://arcteryx.com/us/en/shop/mens/proton-hoody
- https://arcteryx.com/us/en/shop/mens/atom-hoody
- https://arcteryx.com/us/en/shop/womens/proton-hoody
- https://arcteryx.com/us/en/shop/womens/atom-hoody
- https://www.patagonia.com/product/mens-nano-air-insulated-hoody/84367.html
- https://www.patagonia.com/product/womens-nano-air-insulated-hoody/84268.html
Summary
My take is that these products are much more similar than they're different. The differences in things like warmth and breathability might not even be noticeable to you.
Because of superior abrasion resistance capability of Proton (aka LT), I think that it's mostly the better pick for climbing and skiing in not-so-cold-but-still-chilly days. Also better resists against a heavy backpack.
Atom (aka LT), on the other hand, is mostly the best choice for maximized breathability (side fleece panels). It also has the highest capability hood of all these (StormHood).
Nano Air (the most recent 2024 version) is the best if you need packability, if you dislike elastic cuffs and/or if you have long arms.
Like I said, however... These differences are small, man. That's why I don't see anything wrong in prioritizing the looks over anything else.
Warmth
Warmth difference isn't really noticeable.
Performance data axis of synthetic jackets (table above) and shell jackets (this table) are different. Don't compare them.
Name Activity Breathability Weather Res. Durability Temp (F/C) Bottom line Review Pit zips? Two way zipper? Stuffs into itself? Hood? Face Fabric Fit Weight Length Alpha FL (Men's - Women's) Climbing 7/10 No data No data 10/10 N/A No No Yes Hadron 3L Gore-Tex Trim 209 g / 7.4 oz 76.5 cm / 30 in Yes Alpha SL (Men's - Women's) Climbing 5/10 7/10 No data 9/10 N/A No No Yes N40p 3L Gore-Tex Trim 326 g / 11.5 oz 77.5 cm / 30.5 in Yes Alpha (aka AR) (Men's - Women's) Climbing 8/10 9/10 8/10 4/10 N/A Go-to climbing harshell. Review Yes No No N40d & N80d Most Rugged 3L Gore-Tex Pro Regular 430 g / 15.2 oz 79.5 cm / 31.25 in No Alpha SV (Men's - Women's) Climbing 8/10 10/10 10/10 3/10 N/A Strongest climbing hardshell. Review Yes No No N100d Most Rugged 3L Gore-Tex Pro Regular 510 g / 1 lb 2 oz 78 cm / 30.75 in No Alpha IS (Men's) Climbing 7/10 5/10 No data 8/10 23/-5 No Yes Yes N40p-X 2L Gore-Tex Regular 610 g / 1 lb 5.5 oz 78 cm / 30.75 in Yes Beta (Men's - Women's) All Round 6/10 7/10 7/10 8/10 N/A Streamlined all-doer shell. Review No No No N30p-X 3L Gore-Tex Trim 300 g / 10.6 oz 76 cm / 30 in No Beta Lightweight (Men's - Women's) All Round 8/10 7/10 7/10 6/10 N/A Review Yes No No N40p 3L Gore-Tex Fitted 380 g / 13.4 oz 75 cm / 29.5 in No Beta LT (Men's - Women's) All Round 7/10 7/10 8/10 6/10 N/A Review Yes No No N40d 3L Gore-Tex Fitted 395 g / 13.9 oz 76 cm / 30 in No Beta AR (Men's - Women's) All Round 8/10 9/10 9/10 4/10 N/A Go-to all-round harshell. Review Yes No No N40d & N80d Most Rugged 3L Gore-Tex Pro Regular 460 g / 1 lb 76 cm / 30 in No Beta AR StormHood (Men's - Women's) All Round 8/10 9/10 9/10 4/10 N/A Review Yes No No N40d & N80d Most Rugged 3L Gore-Tex Pro Regular 460 g / 1 lb 76 cm / 30 in No Beta Coat (Women's) All Round 6/10 5/10 No data 5/10 N/A No Yes No 3L Gore-Tex Regular 320 g / 11.3 oz 88 cm / 34.5 in No Beta Insulated (Men's - Women's) All Round 9/10 7/10 8/10 No data 21/-6 Go-to hybrid jacket. Review Yes Yes No N40d 2L Gore-Tex Regular 680 g / 1 lb 8 oz 78.5 cm / 31 in No Beta Insulated Coat (Women's) All Round 7/10 No data No data No data 16/-9 No Yes No N40d 2L Gore-Tex Regular 600 g / 1 lb 5.2 oz 86 cm / 34 in No Beta Down Insulated (Men's) All Round 9/10 7/10 8/10 No data 0/-18 Yes Yes No 2L 40D Gore-Tex Regular 760 g / 1 lb 10.8 oz 79 cm / 31 in No Beta Long All Round 4/10 9/10 No data 3/10 N/A Review No No No N80p 3L Gore-Tex Regular 441 g / 15.6 oz 85 cm / 33.5 in Yes Beta LT Hadron All Round 7/10 6/10 4/10 5/10 N/A No No No Hadron 3L Gore-Tex Fitted 255 g / 9 oz 76 cm / 30 in Yes Beta SV (Men's - Women's) All Round 8/10 10/10 10/10 3/10 N/A Strongest all-round harshell. Review Yes No No N80p-X Most Rugged 3L Gore-Tex Pro Regular 495 g / 1 lb 1.5 oz 79 cm / 31 in Yes Gamma Lw. (aka SL) (Men's - Women's) All Round 7/10 2/10 6/10 5/10 N/A Review No No No Fortius 1.0 Trim 310 g / 10.9 oz 74 cm / 29.1 in No Gamma (aka LT) (Men's - Women's) All Round 7/10 3/10 7/10 3/10 N/A Go-to softshell. Review No No No Wee Burly Double Weave Regular 545 g / 1 lb 3.2 oz 76 cm / 30 in No Gamma MX (Men's - Women's) All Round 6/10 4/10 8/10 3/10 N/A Strongest softshell. Review No No No Fortius 2.0 Regular 555 g / 1 lb 3.6 oz 74 cm / 29.1 in No Sabre SV (Men's) Skiing 10/10 10/10 10/10 1/10 N/A Strongest ski jacket. Review Yes Yes No N100d Most Rugged 3L Gore-Tex Pro Regular 595 g / 1 lb 5 oz 85 cm / 33.5 in No Sabre (Men's) Skiing 8/10 8/10 7/10 2/10 N/A Review Yes No No N80p-X 3L Gore-Tex Regular 705 g / 1 lb 8.9 oz 79 cm / 31 in No Sabre Insulated (Men's) Skiing 7/10 No data 6/10 No data No data Review Yes No No N80p 2L Gore-Tex Regular 815 g / 1 lb 12.7 oz 76 cm / 30 in No Rush (Men's) Skiing 8/10 9/10 9/10 3/10 N/A Go-to ski jacket. Review Yes No No N80p-X & N100p-X 3L Most Rugged Gore-Tex Pro Regular 590 g / 1 lb 4.8 oz 79.5 cm / 31.25 in No Rush Insulated (Men's - Women's) Skiing 3/10 5/10 5/10 9/10 16/-9 Review No No Yes Hadron 2L Gore-Tex Infinium Regular 515 g / 1 lb 2.2 oz 79 cm / 31 in No Macai Shell (Men's) Skiing No data No data No data No data N/A Review Yes No No N80p-X 3L Gore-Tex Regular 775 g / 1 lb 11.3 oz ? No Macai (Men's) Skiing 7/10 7/10 6/10 1/10 5/-15 Review Yes No No N40p-X 3L Gore-Tex Regular 990 g / 2 lb 2.9 oz 75 cm / 29.5 in No Macai Lightweight (aka LT) (Men's) Skiing 7/10 7/10 6/10 2/10 8/-13 Review Yes No No N40p-X 3L Gore-Tex Regular 855 g / 1 lb 14.2 oz ? No Theriss Down (Women's) Skiing 7/10 6/10 7/10 2/10 No data Review Yes No No N80p 2L Gore-Tex Regular 709 g / 1 lb 9 oz 63 cm / 24.8 in No Sentinel (Women's) Skiing 8/10 7/10 7/10 2/10 N/A Go-to ski jacket. Review Yes No No N70p 3L Gore-Tex Regular 640 g / 1 lb 6.6 oz 73.7 cm / 29 in No Sentinel Insulated (Women's) Skiing 8/10 No data No data No data 21/-6 Review Yes No No N80p 2L Gore-Tex Regular 600 g / 1 lb 5.2 oz 79.8 cm / 31.5 in No Sentinel Relaxed (Women's) Skiing No data No data No data No data N/A Yes No No N80p 3L Gore-Tex Regular 655 g / 1 lb 7.1 oz ? No Sidewinder (Women's) Skiing 8/10 8/10 7/10 2/10 N/A Yes No No N80p 3L Gore-Tex Regular 570 g / 1 lb 4.1 oz ? No Andessa (Women's) Skiing 10/10 No data No data 1/10 8/-13 Yes No No N40d 3L Gore-Tex Trim 869 g / 1 lb 14.7 oz 67 cm / 26.4 in Yes Andessa Shell (Women's) Skiing 5/10 No data No data 3/10 N/A No No No N70p 3L Gore-Tex Trim 560 g / 1 lb 3.8 oz ? Yes Micon Heather Skiing No data No data No data No data N/A Yes No No NP100-d 3L Gore-Tex Regular 685 g / 1 lb 8.2 oz 83 cm / 32.5 in Yes Micon (Men's) Skiing No data No data No data No data N/A Yes No No N80p 3L Gore-Tex Regular 685 g / 1 lb 8.2 oz 83 cm / 32.5 in Yes Cassiar (Men's) Skiing 8/10 7/10 8/10 3/10 N/A Review Yes No No N70p 3L Gore-Tex Trim 820 g / 1 lb 12.9 oz 74.5 cm / 29.3 in Yes Cassiar LT (Men's) Skiing 6/10 6/10 6/10 5/10 N/A Review Yes No No N70p 3L Gore-Tex Trim 605 g / 1 lb 5.3 oz 75 cm / 29.5 in Yes Ravenna (Women's) Skiing 8/10 7/10 8/10 3/10 N/A Review Yes No No N70s-4 3L Gore-Tex Trim 725 g / 1 lb 9.6 oz 69.5 cm / 27.4 in Yes Ravenna LT (Women's) Skiing 6/10 6/10 6/10 5/10 N/A Review Yes No No N70p 3L Gore-Tex Trim 540 g / 1 lb 3 oz 69 cm / 27.2 in Yes Procline (Men's) Skiing No data No data No data No data N/A Yes No No N70p Gore-Tex Infinium Trim 720 g / 1 lb 9.4 oz 76 cm / 30 in Yes Shashka Stretch (Women's) Skiing No data No data No data No data N/A Yes No No N70p Gore-Tex Infinium Trim 670 g / 1 lb 7.6 oz 71 cm / 28 in Yes Sabre AR (Men's) Skiing 7/10 8/10 7/10 7/10 N/A Review Yes No No N70p 3L Gore-Tex Regular 700 g / 1 lb 8.7 oz 79 cm / 31 in Yes Sentinel AR (Women's) Skiing 7/10 8/10 7/10 7/10 N/A Review Yes No No N70p 3L Gore-Tex Regular 590 g / 1 lb 4.8 oz 72.5 cm / 28.5 in Yes Sabre LT (Men's) Skiing 7/10 8/10 7/10 8/10 N/A Review Yes No No N80p 3L Gore-Tex Regular 660 g / 1 lb 7.3 oz 83 cm / 32.5 in Yes Sentinel LT (Women's) Skiing 7/10 8/10 7/10 8/10 N/A Review Yes No No N80p 3L Gore-Tex Regular 565 g / 1 lb 3.9 oz 73.5 cm / 29 in Yes Incendia (Women's) Skiing 8/10 9/10 9/10 3/10 N/A Review Yes No No NP100d 3L Gore-Tex Trim 610 g / 1 lb 5.5 oz 79 cm / 31 in Yes Indencia IS Skiing No data No data No data No data No data Yes No No N80p 2L Gore-Tex Regular ? 78 cm / 30.75 in Yes Squamish (Men's - Women's) Running 5/10 4/10 7/10 9/10 N/A Go-to running jacket. Review No No Yes 30D Tyono Trim 140 g / 4.9 oz 77.5 cm / 30.5 in No Norvan Windshell (Men's - Women's) Running No data No data No data No data N/A No No Yes Permeair 20 Trim 90 g / 3.2 oz 73 cm / 28.75 in No Norvan Shell (Men's - Women's) Running No data No data No data No data N/A No No No 13D 3L Gore-Tex Trim 190 g / 6.7 oz 73 cm / 28.75 in No Nodin (Women's) Running 8/10 5/10 5/10 10/10 N/A No No Yes 20D Tyono Trim 130 g / 4.6 oz 75 cm / 29.5 in No Incendo Airshell (Women's) Running No data No data No data No data N/A No No Yes ? Trim 105 g / 3.7 oz ? No Incendo (Men's) Running 7/10 4/10 5/10 10/10 N/A Review No No Yes Lumin Trim 125 g / 4.4 oz ? Yes Norvan LT (Men's - Women's) Running 5/10 5/10 8/10 6/10 N/A No No No N13p 3L Gore-Tex Trim 190 g / 6.7 oz ? Yes Norvan SL Ins. (Women's) Running No data No data No data No data 39/4 No No Yes Gore-Tex ShakeDry Trim 270 g / 9.5 oz 71.5 cm / 28.1 in Yes Cita (Women's) Running 7/10 4/10 5/10 10/10 N/A Review No No Yes Lumin Trim 120 g / 4.2 oz 67.5 cm / 26.5 in Yes Cita SL (Women's) Running 7/10 4/10 4/10 10/10 N/A Review Yes No Yes Permeair 20 Trim 65 g / 2.3 oz 61.5 cm / 24.2 in Yes Incendo SL (Men's) Running 7/10 4/10 4/10 10/10 N/A Review No No Yes Permair 20 & Canim Trim 80 g / 2.8 oz 73 cm / 28.75 in Yes Norvan SL (Men's - Women's) Running 7/10 6/10 8/10 8/10 N/A Review No No Yes Gore-Tex Infinium Trim 120 g / 4.2 oz 77 cm / 30.4 in Yes Trino SL (Men's) Running 8/10 5/10 7/10 6/10 N/A Review No No No Gore-Tex Infinium Trim 340 g / 12 oz 74 cm / 29.1 in Yes Trino SL Anorak (Women's) Running 8/10 7/10 8/10 7/10 N/A Review No No No Gore-Tex Infinium Trim 290 g / 10.2 oz 65 cm / 25.5 in Yes Solano (Women's) Around Town No data No data No data No data N/A Review No No No Gore-Tex Infinium Relaxed 355 g / 12.5 oz 72 cm / 28.3 in No Venda Anorak (Women's) Around Town No data No data No data No data N/A No No No Gore-Tex Relaxed 255 g / 9 oz 75.5 cm / 29.7 in Yes Zeta FL (Men's - Women's) Hiking 4/10 6/10 4/10 6/10 N/A No No No N20r 2L Gore-Tex Trim 221 g / 7.8 oz 76 cm / 30 in Yes Zeta SL (Men's - Women's) Hiking 3/10 5/10 4/10 5/10 N/A Review No No No 2L Gore-Tex Trim 310 g / 10.9 oz 77.8 cm / 30.6 in Yes Zeta LT (Men's - Women's) Hiking 5/10 7/10 8/10 5/10 N/A No No No N40P-X 3L Gore-Tex Trim 335 g / 11.8 oz 78 cm / 30.75 in Yes Zeta AR (Men's) Hiking 7/10 8/10 7/10 4/10 N/A Yes No No 3L Gore-Tex Regular 425 g / 15 oz 80 cm / 31.5 in Yes
Breathability
Atom (aka LT) literally destroys the Proton (aka LT) and Nano Air in this regard.
I'd put the Proton and Nano Air at the same level of breathability. Proton can be slightly more breathable, but that's when we look at the tech specs. Definitely nothing noticeable going on in there.
Wind resistance
Atom's side fleece panels is a double edged sword. It lets the wind in. When I'm cycling I'm especially aware of this.
Not only because I'm going against the wind (i.e the wind's relative velocity is higher), but also because these mesh panels are more exposed since my arms are up.
Proton and Nano Air again come very close in here.
All are DWR coated.
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.
They do by the way have an additional hybrid models of both. That of Proton (aka LT) is Proton Hybrid Hoody, and of Nano Air is Nano Air Light Hybrid. I do own the former but not the latter.
They're like a crossover between a synthetic insulated jacket and a softshell.
This "upgrade" in face fabrics translate into better wind, water and abrasion resistance. But you give up insulation and breathability in return.
Pockets
Amount of pockets is the same in all three. Find pocket dimensions below.
- Nano Air:
- Hand warmers: 7.1 in (or 18 cm) x 11 in (or 28 cm)
- External zippered chest pockets: 7.9 in (or 20 cm) x 9.9 in (or 25 cm)
- Atom:
- Hand warmers: 10.6 in (or 27 cm) height x 7.1 in (or 18 cm) width
- Internal zippered chest pocket: 9.9 in (or 25 cm) height x 7.5 in (or 19 cm) width
- Proton:
- Hand warmers: 9.4 in (or 24 cm) height x 7.5 in (or 19 cm) width
Packability
Nano Air is the only packable of all these three.
It's packed into the external chest pocket. Packed size is 7.5 in (or 19 cm) x 7.5 in (or 19 cm) x 4 in (or 10 cm) but it's irregular in geometry, as you see.
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When I pack & unpack it ends up in a different shape so the dimensions (not the volume) can change slightly.
Fit
I personally like Atom's and Proton's fit better and find them more comfortable.
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.