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Proton LT and Atom LT are revised for FW23.
New product pages (women's counterparts have been undergoing a naming scheme change, but it doesn't affect the product designs):
- https://arcteryx.com/us/en/shop/mens/proton-lt-hoody
- https://arcteryx.com/us/en/shop/mens/atom-lt-hoody
- https://arcteryx.com/us/en/shop/womens/proton-hoody
- https://arcteryx.com/us/en/shop/womens/atom-hoody
- https://www.patagonia.com/product/mens-nano-air-hoody/84366.html
- https://www.patagonia.com/product/womens-nano-air-hoody/84267.html
- Arc'teryx Jacket Finder: https://arcteryx.com/us/en/shop/jacket-finder/
Summary
My take is that these products are much more similar than they're different. The differences in things like warmth and breathability which I'll shortly be laying out might not even be that noticeable to you.
So I'd base my decision primarily on my preference around the pocket configuration. Atom LT doesn't come with an external chest pocket, but an internal one. Proton LT and Nano Air both offer one chest pocket.
Second, I'd take a look at the products and see which one looks more to my taste.
Third, I'd compare the brands rather than the models.
But if you STILL can't decide, then to maximize warmth and weather resistance, I'd pick Proton LT. To maximize breathability, I'd pick Atom LT. To maximize comfort, lightness and packability, pick I'd Nano Air.
To find out more about these jackets, check out this chart:
Approximate lowest temperatures you can wear each down jacket in the market without feeling uncomfortably cold are...
Name | Est. Temp (F/C) | Review | Pit venting? | Stuffs into itself? | Two way zipper? | Type | Fill Power | Fill Weight (grams) | Fill Volume (FP x FW) | Synthetic Insulator (SI) | SI Amount | Face Fabric | Activity | Fit | Weight | Length (CB) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Arc'teryx Alpha (Men's - Women's) | -18/-28 | Review | No | Yes | Yes | Down | 850 | 296 | 251,600 | Coreloft | 90 g/m² | N30r 2L GoreTex Infinium | Climbing | Regular | 805 g / 1 lb 12.4 oz | 86 cm / 34 in |
Feathered Friends Khumbu | -17/-27 | No | Yes | No | Down | 900 | 378 | 340,200 | Primaloft Gold | 200 g | Pretex Shield XT | All Round | Regular | 960 g / 2 lb 2 oz | ? | |
Arc'teryx Ceres SV (Men's - Women's) | -15/-26 | Review | No | Yes | Yes | Down | 850 | 240 | 204,000 | Coreloft | ? | Arato 30 | All Round | Regular | 880 g / 1 lb 15 oz | 86 cm / 34 in |
Mountain Equipment K7 (Men's) | -13/-25 | No | Yes | Yes | Down | 800 | 300 | 240,000 | N/A | N/A | 30D Drilite | All Round | Regular | 820 g / 1 lb 13 oz | 76 cm / 30 in | |
Rab Positron Pro (Men's) | -13/-25 | No | Yes | Yes | Down | 800 | 300 | 240,000 | N/A | N/A | 40D Pertex Quantum Pro | All Round | Regular | 740 g / 1 lb 10 oz | 85 cm / 33.5 in | |
Arc'teryx Therme SV (Men's) | -11/-24 | Review | No | No | Yes | Parka | 750 | 211 | 158,250 | Coreloft | 60 g/m² | 2L Gore-Tex | Around Town | Regular | 1.072 kg / 2 lb 5.8 oz | 96 cm / 37.75 in |
Patagonia Grade VII (Men's) | -11/-24 | No | No | Yes | Down | 800 | 335 | 268,000 | N/A | N/A | 1.2 oz 15 & 20D Perfex Quantum | Around Town | Regular | 743 g / 1 lb 10.1 oz | 83 cm / 32.5 in | |
Arc'teryx Firebee AR (Men's - Women's) | -10/-23 | Review | No | Yes | Yes | Down | 800 | 225 | 180,000 | N/A | N/A | Arato 7 & 10 | All Round | Regular | 680 g / 1 lb 8 oz | 79 cm / 31 in |
Mountain Equipment Exo (Men's) | -10/-23 | No | Yes | Yes | Down | 800 | 265 | 212,000 | N/A | N/A | Nylon | All Round | Regular | 770 g / 1 lb 11.2 oz | 79 cm / 31 in | |
Arc'teryx Thorsen (Men's) | -7/-22 | Review | No | No | Yes | Parka | 750 | 192 | 144,000 | Coreloft | 60 g/m² | 90D 2L Gore-Tex | Around Town | Regular | 1.1 kg / 2 lb 5.4 oz | 91 cm / 36 in |
Patagonia Frozen Range (Men's - Women's) | -6/-21 | Review | No | No | No | Parka | 700 | 268 | 187,600 | N/A | N/A | 4 oz 75-denier polyester | Around Town | Regular | 1.253 kg / 2 lb 12.2 oz | 84 cm / 33 in |
Mountain Equipment Li. Ec. (Men's - Women's) | -5/-20 | No | No | Yes | Down | 700 | 295 | 206,500 | N/A | N/A | 50D Drilite | All Round | Regular | 822 g / 1 lb 13 oz | 72 cm / 28 in | |
Arc'teryx Patera Long (Women's) | -2/-19 | No | No | Yes | Parka | 750 | 74 | 55,500 | Coreloft | 60 + 80 g/m² | 2L Gore-Tex | Around Town | Regular | 1.1 kg / 2 lb 6.8 oz | 117.5 cm / 46.25 in | |
Rab Neutrino Pro (Men's - Women's) | -2/-19 | No | Yes | Yes | Down | 800 | 212 | 169,600 | N/A | N/A | 20D Pertex Quantum Pro | All Round | Regular | 585 g / 1 lb 8.6 oz | 77 cm / 30.3 in | |
Arc'teryx Dually Belay (Men's) | 0/-18 | Review | No | Yes | Yes | Synthetic | N/A | N/A | N/A | ThermaTek | 92 g/m² | 30D Nylon | Around Town | Regular | 705 g / 1 lb 9 oz | 84 cm / 33 in |
Arc'teryx Centrale (Women's) | 0/-18 | Review | No | No | Yes | Parka | 750 | 157 | 117,750 | Coreloft | 60 g/m² | N90p Nylon | Around Town | Regular | 885 g / 1 lb 15.2 oz | 95 cm / 37.5 in |
Arc'teryx Camosun (Men's) | 0/-18 | Review | No | No | No | Parka | 750 | 105 | 78,750 | Coreloft | 140 g/m² | N150p-X Gore-Tex | Around Town | Trim | 960 g / 2 lb 1.9 oz | 80 cm / 31.5 in |
Arc'teryx Cerium SV (Men's) | 0/-18 | Review | No | Yes | No | Down | 850 | 162 | 137,700 | Coreloft | 80 + 140 g/m² | Arato 7 & 10 | All Round | Regular | 415 g / 14.6 oz | 69.5 cm / 27.4 in |
Arc'teryx Revet (Men's) | 2/-17 | No | No | Yes | Parka | 750 | ? | N/A | N/A | 20d nylon/spandex double weave | Around Town | Regular | 755 g / 1 lb 10.6 oz | 91 cm / 36 in | ||
Arc'teryx Piedmont (Men's) | 3/-16 | No | Yes | Yes | Parka | 750 | 218 | 163,500 | N/A | N/A | Arato 10 | Around Town | Regular | 515 g / 1 lb 2.2 oz | 82 cm / 32.25 in | |
Arc'teryx Fission SV (Men's - Women's) | 3/-16 | Review | No | No | Yes | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 90 + 65 g/m² | N80p-X Gore-Tex 2L | All Round | Regular | 890 g / 1 lb 15.4 oz | 81 cm / 31.8 in |
Arc'teryx Alpha Lightweight (Men's) | 3/-16 | No | Yes | Yes | Down | 850 | 117 | 99,450 | Coreloft Compact | 40 g/m² | Hadron 2L Gore-Tex Infinium | Climbing | Regular | 540 g / 1 lb 3 oz | ? | |
Outdoor Research Sup. Alp. (Men's - Women's) | 3/-16 | No | No | Yes | Down | 800 | 182 | 145,600 | N/A | N/A | 30D Pertex Quantum Pro | All Round | Regular | 825 g / 1 lb 13.1 oz | 85 cm / 33.5 in | |
Arc'teryx Alessa Long (Women's) | 3/-16 | No | No | No | Parka | N/A | N/A | N/A | Coreloft | 80 + 120 g/m² | N90p 2L Gore-Tex | Around Town | Regular | 1.015 kg / 2 lb 3.8 oz | 123 cm / 48.5 in | |
Patagonia Tres 3-in-1 (Men's - Women's) | 3/-16 | Review | No | No | No | Parka | 700 | 118 | 82,600 | N/A | N/A | 5.5 oz polyester | Around Town | Regular | 1.307 kg / 2 lb 14.1 oz | 85 cm / 33.5 in |
Arc'teryx Radsten Parka (Men's) | 3/-16 | No | No | No | Parka | N/A | N/A | N/A | Coreloft Compact | 120 g/m² | NP100d Gore-Tex 2L | Around Town | Regular | 745 g / 1 lb 10.3 oz | 82 cm / 32.25 in | |
Rab Electron Pro (Men's - Women's) | 5/-15 | No | Yes | Yes | Down | 800 | 180 | 144,000 | N/A | N/A | 20D Pertex Quantum Pro | All Round | Regular | 525 g / 1 lb 2.5 oz | 74 cm / 29 in | |
Arc'teryx Therme Parka (Men's) | 5/-15 | Review | No | No | Yes | Parka | 750 | 120 | 90,000 | Coreloft | 60 + 80 g/m² | P75d Polyester | Around Town | Regular | 991 g / 2 lb 3 oz | 85 cm / 33.5 in |
Arc'teryx Macai (Men's) | 5/-15 | Review | Yes, zips | No | No | Down | 750 | 69 | 51,750 | Coreloft Compact | 60 + 100 g/m² | N40p-X 3L Gore-Tex | Ski/Snowboard | Regular | 1 kg / 2 lb 4 oz | 76 cm / 30 in |
Arc'teryx Nuclei SV (Men's) | 5/-15 | Review | No | Yes | Yes | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 180 g/m2 + 90 g/m2 | Arato 15 | Climbing | Regular | 600 g / 1 lb 5.2 oz | 81 cm / 31.8 in |
Patagonia DAS Parka (Men's) | 5/-15 | No | Yes | Yes | Parka | N/A | N/A | N/A | PrimaLoft Gold Insulation Eco | 133 + 40 g | Pertex Quantum Pro | Around Town | Regular | 555 g / 1lb 3.6 oz | 84 cm / 33 in | |
Arc'teryx Patera (Women's) | 5/-15 | Review | No | No | Yes | Parka | 750 | 58 | 43,500 | Coreloft | 60 + 80 g/m² | 2L Gore-Tex | Around Town | Trim | 867 g / 1 lb 14.6 oz | 93 cm / 37 in |
Black Diamond Access Down (Men's - Women's) | 7/-14 | No | Yes | Yes | Down | 700 | 155 | 108,500 | N/A | N/A | 30D ripstop nylon | All Round | Regular | 442 g / 15.6 oz | 76 cm / 29.75 in | |
Arc'teryx Kappa (Men's) | 7/-14 | Review | No | No | Yes | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 140 g/m² | N70p Gore Thermium | All Round | Regular | 755 g / 1 lb 10.6 oz | 80 cm / 31.5 in |
Arc'teryx Prema Down Coat (Women's) | 7/-14 | No | No | Yes | Parka | 750 | 92 | 69,000 | N/A | N/A | Nylon | Around Town | Regular | 794 g / 1 lb 12 oz | 117 cm / 46.1 in | |
Arc'teryx Radsten Insulated (Men's) | 7/-14 | No | No | No | Parka | N/A | N/A | N/A | Coreloft Compact | 120 g/m² | NP100d Gore-Tex 2L | Around Town | Regular | 715 g / 1 lb 9.2 oz | 73 cm / 28.75 in | |
Rab Microlight Alpine (Men's - Women's) | 7/-14 | No | Yes | No | Down | 700 | 153 | 107,100 | N/A | N/A | 30D Pertex Quantum | All Round | Regular | 466 g / 1 lb 0.5 oz | 72 cm / 28.5 in | |
Arc'teryx Thorium (Men's - Women's) | 7/-14 | Review | No | Yes | Yes | Down | 750 | 140 | 105,000 | Coreloft | 80 + 140 g/m² | Arato 30 | All Round | Regular | 517 g / 1 lb 2.2 oz | 71.5 cm / 28.1 in |
Feathered Friends Eos | 8/-13 | No | Yes | No | Down | 900 | 105 | 94,500 | N/A | N/A | Pertex Quantum | All Round | Regular | 306 g / 10.8 oz | ? | |
Arc'teryx Thorium AR (Men's - Women's) | 8/-13 | Review | No | Yes | No | Down | 750 | 130 | 97,500 | Coreloft | 80 + 140 g/m² | Arato 30 | All Round | Regular | 490 g / 1 lb 1.3 oz | 72 cm / 28.3 in |
Patagonia Macro Puff (Men's - Women's) | 8/-13 | Review | No | No | No | Synthetic | N/A | N/A | N/A | PlumaFill | 135 + 90 g | 10D Recycled nylon ripstop | All Round | Regular | 435 g / 15.3 oz | 79 cm / 31 in |
Arc'teryx Macai LT (Men's) | 8/-13 | Yes, zips | No | No | Down | 750 | 49 | 36,750 | Coreloft Compact | 60 g/m² | N40p-X 3L Gore-Tex | Ski/Snowboard | Regular | 855 g / 1 lb 14.2 oz | 74 cm / 29.1 in | |
Arc'teryx Seyla (Women's) | 8/-13 | No | No | Yes | Parka | 750 | 92 | 69,000 | N/A | N/A | Arato 10 | Around Town | Regular | 507 g / 1 lb. 1.9 oz. | 87 cm / 34.4 in | |
Patagonia Fitz Roy (Men's - Women's) | 8/-13 | No | Yes | No | Down | 800 | 128 | 102,400 | N/A | N/A | 20D Nylon | All Round | Regular | 632 g / 1lb 6.3 oz | 74 cm / 29 in | |
Arc'teryx Koda (Men's) | 8/-13 | No | No | No | Parka | N/A | N/A | N/A | Coreloft | 80 + 140 g/m² | N80p-X Gore-Tex | Around Town | Regular | 720 g / 1 lb 9.4 oz | 75 cm / 29.5 in | |
Patagonia Vosque 3-in-1 (Women's) | 10/-12 | Review | No | No | No | Parka | N/A | N/A | N/A | ThermoLite | 100 g | 65% nylon, 35% polyester | Around Town | Regular | 1.360 kg / 3 lb | 90 cm / 35.5 in |
Patagonia City Storm Down (Men's - Women's) | 12/-11 | No | Yes | No | Parka | 700 | 191 | 133,700 | N/A | N/A | 4.2 oz polyester | All Round | Regular | 468 g / 16.5 oz | 91 cm / 36 in | |
Patagonia Jackson Glacier (Men's - Women's) | 12/-11 | Review | No | No | Yes | Parka | 700 | 141 | 98,700 | N/A | N/A | 3.6 oz 50D polyester | Around Town | Regular | 880 g / 1 lb 15 oz | 79 cm / 31 in |
Arc'teryx Sensa (Women's) | 14/-10 | No | No | Yes | Parka | N/A | N/A | N/A | Coreloft Compact | 120 g/m² | NP100d Gore-Tex 2L | Around Town | Relaxed | 785 g / 1 lb 11.7 oz | 86 cm / 34 in | |
Patagonia Hi Loft Down (Men's - Women's) | 14/-10 | Review | No | Yes | No | Down | 600 | 177 | 106,200 | N/A | N/A | 1.4 oz 30D polyester | All Round | Regular | 540 g / 1 lb 3 oz | 76 cm / 30 in |
REI Magma 850 Hoodie 2.0 (Men's - Women's) | 14/-10 | No | Yes | No | Down | 850 | 120 | 102,000 | N/A | N/A | Pertex mini ripstop nylon | All Round | Regular | 340 g / 13.75 oz | 74 cm / 29.25 in | |
Arc'teryx Beta Insulated Coat (Women's) | 16/-9 | Review | No | No | Yes | Synthetic | N/A | N/A | N/A | Coreloft | 80 g/m² + 120 g/m² | 2L 40D Gore-Tex | Around Town | Regular | 600 g / 1 lb 5.2 oz | ? |
Arc'teryx Atom AR (Men's - Women's) | 18/-8 | Review | Yes, mesh | No | No | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 120 g/m2 + 80 g/m2 + 60 g/m2 | 30D Tyono | All Round | Regular | 475 g / 1 lb | 74 cm / 29.1 in |
Patagonia Downdrift (Men's - Women's) | 18/-8 | No | No | No | Down | 600 | 279 | 167,400 | N/A | N/A | 4.2 oz polyester | Around Town | Regular | 1.014 kg / 2 lb 3.8 oz | ? | |
Arc'teryx Magnus (Men's) | 19/-7 | No | No | No | Parka | N/A | N/A | N/A | Coreloft | 80 g | N60p Gore-Tex 2L | Around Town | Regular | 690 g / 1 lb 8.3 oz | 83 cm / 32.5 in | |
Arc'teryx Agrium (Men's - Women's) | 21/-6 | No | Yes | No | Down | 850 | 117 | 99,450 | N/A | N/A | Arato | All Round | Regular | 365 g / 12.9 oz | 75 cm / 29.5 in | |
Patagonia AlpLight Down (Men's - Women's) | 21/-6 | No | Yes | No | Down | 800 | 100 | 80,000 | N/A | N/A | 0.8 oz 10D polyester | All Round | Slim | 270 g / 9.5 oz | 74 cm / 29 in | |
Arc'teryx Beta Insulated (Men's - Women's) | 21/-6 | Review | Yes, zips | No | Yes | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 80 g/m² | 2L 40D Gore-Tex | All Round | Regular | 680 g / 1 lb 8 oz | 78.5 cm / 31 in |
Patagonia Topley (Men's) | 23/-5 | No | No | Yes | Down | 700 | 172 | 120,400 | N/A | N/A | 6 oz polyester | All Round | Regular | 1.133 kg / 2 lb 8 oz | 77 cm / 30.5 in | |
Arc'teryx Alpha IS (Men's) | 23/-5 | No | Yes | Yes | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 65 g/m² | N40p-X 2L Gore-Tex | Climbing | Regular | 610 g / 1 lb 5.5 oz | 78 cm / 30.75 in | |
Rab Xenon 2.0 (Men's - Women's) | 23/-5 | No | Yes | Yes | Synthetic | N/A | N/A | N/A | PrimaLoft Silver | 60 g | 30D Pertex Quantum | All Round | Regular | 385 g / 13.6 oz | 71.5 cm / 28.1 in | |
Patagonia Down Sweater (Men's - Women's) | 23/-5 | Review | No | Yes | No | Down | 800 | 150 | 120,000 | N/A | N/A | 1.4 oz 20x30D polyester | All Round | Regular | 428 g / 15.1 oz | 67 cm / 26.25 in |
Arc'teryx Ralle Parka (Men's) | 25/-4 | No | No | Yes | Parka | N/A | N/A | N/A | Coreloft | 80 g/m² | 2L 40D Gore-Tex | Around Town | Regular | 735 g / 1 lb 9.9 oz | ? | |
Patagonia Silent Down (Men's - Women's) | 26/-3 | Review | No | No | No | Down | 700 | 109 | 76,300 | N/A | N/A | 2.2 oz polyester | Around Town | Regular | 585 g / 1 lb 4.7 oz | 74 cm / 29 in |
Arc'teryx Therme Insulated (Men's) | 26/-3 | Review | No | No | No | Synthetic | N/A | N/A | N/A | Coreloft Compact | 40 g/m² | 2L Gore-Tex | Around Town | Regular | 960 g / 2 lb 1.9 oz | 73 cm / 28.75 in |
Arc'teryx Cerium (Men's - Women's) | 26/-3 | No | Yes | No | Down | 850 | 113 | 96,050 | Coreloft | 80 + 100 g/m² | Arato 15 | All Round | Trim | 335 g / 11.8 oz | ? | |
Mountain Hardwear GW/2 (Men's - Women's) | 28/-2 | No | Yes | No | Down | 800 | 85 | 68,000 | N/A | N/A | 10D Ripstop Nylon | All Round | Trim | 250 g / 8.8 oz | 70 cm / 27.5 in | |
Arc'teryx Cerium LT (Men's - Women's) | 28/-2 | Review | No | Yes | No | Down | 850 | 102 | 86,700 | Coreloft | 80 + 100 g/m² | Arato 10 | All Round | Trim | 305 g / 10.8 oz | 72 cm / 28.3 in |
Arc'teryx Nuclei FL (Men's - Women's) | 32/0 | Review | No | Yes | No | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 65 g/m² | Arato 10r | Climbing | Trim | 325 g / 11.5 oz | 75 cm / 29.5 in |
Patagonia DAS Light (Men's - Women's) | 34/1 | No | Yes | Yes | Synthetic | N/A | N/A | N/A | PlumaFill | 65 g | 0.8-oz 10-denier Pertex Quantum Pro | Climbing | Regular | 320 g / 11.3 oz | 77 cm / 30.5 in | |
Patagonia Micro Puff (Men's - Women's) | 36/2 | Review | No | Yes | No | Synthetic | N/A | N/A | N/A | PlumaFill | 65 g | Pertex Quantum | All Round | Trim | 298 g / 10.5 oz | 75 cm / 29.5 in |
Patagonia Isthmus (Men's) | 36/2 | No | No | No | Parka | N/A | N/A | N/A | ThermoGreen | 60 g | 4.2 oz polyester | Around Town | Regular | 895 g / 1 lb 15.6 oz | 70 cm / 27.5 in | |
Arc'teryx Proton LT (Men's - Women's) | 37/3 | Review | No | No | No | Synthetic | N/A | N/A | N/A | Coreloft Compact | 80 g/m2 + 60 g/m2 | Fortius Air 20 | Climbing | Trim | 375 g / 13.2 oz | 75 cm / 29.4 in |
Patagonia Nano Puff (Men's - Women's) | 37/3 | Review | No | Yes | No | Synthetic | N/A | N/A | N/A | PrimaLoft Gold Insulation Eco | 60 g | 22D Polyester | All Round | Regular | 363 g / 12.8 oz | 71.5 cm / 28 in |
Arc'teryx Norvan SL Ins. (Men's - Women's) | 39/4 | No | Yes | No | Synthetic | N/A | N/A | N/A | Coreloft Compact | 40 g/m² | Gore-Tex ShakeDry | Running | Trim | 270 g / 9.5 oz | 71.5 cm / 28.1 in | |
Patagonia Nano Air (Men's - Women's) | 41/5 | Review | No | No | No | Synthetic | N/A | N/A | N/A | FullRange | 60 g | 33D Nylon ripstop | All Round | Trim | 318 g / 11.2 oz | ? |
Arc'teryx Atom LT (Men's - Women's) | 43/6 | Review | Yes, mesh | No | No | Synthetic | N/A | N/A | N/A | Coreloft Continuous | 60 g/m² | 20D Tyono | All Round | Trim | 375 g / 13.2 oz | 74 cm / 29.1 in |
Arc'teryx Cerium SL (Men's - Women's) | 43/6 | Review | No | Yes | No | Down | 850 | 58 | 49,300 | Coreloft | 40 + 100 g/m² | Arato 7 | All Round | Trim | 215 g / 7.6 oz | 69 cm / 27.2 in |
Arc'teryx Proton Hybrid (Men's - Women's) | 46/8 | Review | No | No | No | Synthetic | N/A | N/A | N/A | Coreloft Compact | 40 g/m² | Fortius™ Air 50 | All Round | Trim | 365 g / 12.9 oz | ? |
Arc'teryx Proton FL (Men's) | 48/9 | Review | No | No | No | Synthetic | N/A | N/A | N/A | Octa Loft | 94 g/m² | Fortius Air 20 | Climbing | Trim | 323 g / 11.4 oz | 77 cm / 30.4 in |
Arc'teryx Atom SL (Men's - Women's) | 52/11 | Review | Yes, mesh | No | No | Synthetic | N/A | N/A | N/A | Coreloft Compact | 40 g/m² | 20D Tyono | All Round | Trim | 245 g / 8.6 oz | 72 cm / 28.3 in |
REI Stormhenge Hybrid (Men's - Women's) | Testing | Yes, zips | No | No | Down | 850 | ? | N/A | N/A | 40D + 80D | All Round | Regular | 900 g / 1 lb 15.75 oz | 80 cm / 31.5 in | ||
Arc'teryx Monitor Insulated (Women's) | Testing | No | No | Yes | Parka | N/A | N/A | N/A | Coreloft | 80 + 100 g/m² | 40D 3L Gore-Tex | Around Town | Oversized | 645 g / 1 lb 6.8 oz | 93 cm / 37 in | |
Arc'teryx Coelle (Women's) | Testing | No | No | Yes | Parka | N/A | N/A | N/A | Coreloft | 80 + 140 g/m² | 40D 2L Gore-Tex | Around Town | Regular | 460 g / 1 lb 0.2 oz | 93 cm / 37 in |
As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine.
These are only approximate values assuming:
- you only have a shirt under and no shell over,
- during daily use (strolls, power walks etc at most - no high output activities),
- with enough wind to cause an umbrella to twist in your hand,
- and when it's dry out.
If you think you run warmer or colder than the average person, then shift temperature ranges accordingly.
Also see:
- https://outdoorcrunch.com/arcteryx-proton-lt-vs-atom-lt/
- https://outdoorcrunch.com/arcteryx-proton-hybrid-hoody-review/
- https://outdoorcrunch.com/atom-ar-vs-atom-lt/
- https://outdoorcrunch.com/arcteryx-atom-lt-vs-sl/
- https://outdoorcrunch.com/atom-sl-vs-proton-fl/
- Arc'teryx Jacket Finder: https://arcteryx.com/us/en/shop/jacket-finder
Proton LT (see image) is the most durable of all. It's also one of my favorite jackets.
Breathability
Although Atom LT delivers the membrane with the least breathable of these 3, it certainly still offers the most total breathability of all because of its mesh ventilation panels located at the arm pits.
Mechanical ventilation will almost always be a superior parameter than membrane breathability.
- 13 Mar 2023: I've been to Pfander and floodplain forests with my Nuclei SV
- 13 Dec 2022: Arc'teryx Alpha Parka Review: The most impressive jacket of all time
- 8 Dec 2022: Arc'teryx ReGEAR: OutdoorCrunch exclusive promo code!
- 7 Nov 2022: 2023 Thorium Hoody is in - as well as the new Thorium Parka (yes, parka)
- 2 Nov 2022: Beta Insulated Jacket: Pit zips AND two way zipper!
- 7 October 2022: Proton Hybrid Hoody is live! The ultimate do it all?
- 5 October 2022: DropHood vs StormHood: Pros/cons and best uses
- 5 September 2022: Reviewing Arc'teryx Fall Winter 22/23 Gear
- 5 August 2022: 5 things all Arc'teryx newbies should know
- #A sidenote here: Arc'teryx's PDF guide to jackets is GOOOLLLLDDDDD. Absolutely check that out too if you're interested in buying one.
Warmth & Weather Resistance
Side fleece panels of Atom LT become a disadvantage when it's cold, windy and/or rainy. They'll let some foul weather in.
On top of that, Proton LT offers 80 gsm of Coreloft reinforcements in strategical areas such as the hood, in addition to 60 gsm in the body. Atom LT, on the other hand, is equipped with 60 gsm everywhere, without any reinforcements.
This makes Proton LT the warmest of all.
When it comes to weather resistance, Proton LT again takes the lead thanks to its stiffer and relatively more robust face fabric. Nano Air is the most fragile of all, so it's going to offer the least amount of weather protection in this regard. Not only against precipitation but also against wind.
Also, all these jackets are DWR coated.
DWR is a coating.
It's basically sprayed on to the surface of these jackets as a finish. It stands for Durable Water Repellent - which means that water will be repelled under wet conditions instead of soaking into the fabric.
DWR also decreases dry time.
It's a good thing these jackets are coated in DWR, but pay attention to the fact that DWR is a coating - meaning that it will wear off over time.
Which is why you might want to invest in a DWR spray such as this one for after treatment.
As you see, there's a strong correlation between FP x FW and temperature ratings, but not more than, say, 80%. I explained why this happens here in this post of mine.
Packability
Air is packable whereas the Atom LT and Proton LT aren't.
Links:
- https://arcteryx.com/us/en/shop/mens/proton-lt-hoody
- https://arcteryx.com/us/en/shop/mens/atom-lt-hoody
- https://arcteryx.com/us/en/shop/womens/proton-hoody
- https://arcteryx.com/us/en/shop/womens/atom-hoody
- https://www.patagonia.com/product/mens-nano-air-hoody/84366.html
- https://www.patagonia.com/product/womens-nano-air-hoody/84267.html
- Arc'teryx Jacket Finder: https://arcteryx.com/us/en/shop/jacket-finder
Which of the 3 jackets would you recommend for cycle touring? I’m riding my bicycle ~20,000 miles the length of the America’s starting next summer and am looking for a nice warm riding jacket that will breathe well. Was leaning towards Proton or Nano Air. Any guidance?
Cheers,
Jeff