- Don't miss out on REI's current sale - shop now and save on all your outdoor gear needs!
Note: Also see my Best Arc'teryx Jackets article.
After taking it down years ago, Arc'teryx finally decided to bring the once-loved Nuclei FL back to life in February 2020.
I immediately rushed out and got one.
- Arc'teryx Jacket Finder: https://arcteryx.com/us/en/shop/jacket-finder
The overall design roughly remains the same. Outer fabric is updated to be lighter (from Arato 20 to 10), and the hood is now helmet compatible - pleasing news for climber folks.
The outer fabric is still extremely pleasant to touch, and the fit is still great (I'm 5'11", 175 lbs, athletic build - and size M fits me like a glove, see image).
Now let's take a brief look at how it compares to the Proton LT.
- Nuclei FL is much more wind resistant and a little bit warmer. Unlike Proton LT, it's also packed into its own stuff sack
- Proton LT is much more breathable and a little bit more durable
If you're looking for a summary, skip to the Conclusion & Best uses heading.
- 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.
Now let's get to their bolts and nuts.
Warmth
Let's see where these two stand in terms of temperature ratings:
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 |
View full table at https://outdoorcrunch.com/best-arcteryx-jacket/.
If you're confused now and don't know which jacket best corresponds to your own needs, then follow the advice given in https://arcteryx.com/us/en/shop/jacket-finder/.
The temperature ratings in this list are intended to represent the lowest temperatures you can wear each jacket without feeling uncomfortably cold.
Keep in mind that these are only approximate values, assuming:
- worn over a shirt only and no shell over,
- during daily use (strolls, power walks etc at most - no high output activities),
- with light wind,
- and when it's dry out.
These values applicable to your torso only. Your hands, legs and feet are still subject to their own additional insulation.
The best practice is usually to use this table for comparing each jacket to one another, rather than pinpointing their ratings.
Also, ratings will best respond to males. As most women tend to run colder than men, for women, shifting these ratings a bit is recommended.
Always opt for the warmer option when in doubt. For jackets with Atom AR level warmth and beyond, recommended is almost always the hooded models.
- Also see: Arc'teryx Shells
Name | Bottom line | Activity | Review | Breathability | Weather Res. | Durability | Packability | Temp (F/C) | Pit zips? | Two way zipper? | Stuffs into itself? | Hood? | Face Fabric | Fit | Weight | Length | Measurements |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alpha FL (Men's - Women's) | Climbing | 4/10 | 5/10 | 6/10 | 10/10 | N/A | No | No | Yes | StormHood | Hadron 3L Gore-Tex | Trim | 209 g / 7.4 oz | 76.5 cm / 30 in | [Men's / Women's] | ||
Alpha SL (Men's - Women's) | Climbing | 3/10 | 4/10 | 6/10 | 9/10 | N/A | No | No | Yes | StormHood | N40p 3L Gore-Tex | Trim | 326 g / 11.5 oz | 77.5 cm / 30.5 in | [Men's / Women's] | ||
Alpha AR (Men's - Women's) | Go-to climbing harshell. | Climbing | Review | 8/10 | 7/10 | 8/10 | 4/10 | N/A | Yes | No | No | StormHood | N40d & N80d Most Rugged 3L Gore-Tex Pro | Regular | 430 g / 15.2 oz | 79.5 cm / 31.25 in | [Men's] |
Alpha SV (Men's - Women's) | Strongest climbing hardshell. | Climbing | Review | 8/10 | 10/10 | 10/10 | 3/10 | N/A | Yes | No | No | StormHood | N100d Most Rugged 3L Gore-Tex Pro | Regular | 510 g / 1 lb 2 oz | 78 cm / 30.75 in | [Men's] |
Alpha IS (Men's) | Climbing | 7/10 | 5/10 | 5/10 | 8/10 | 23/-5 | No | Yes | Yes | StormHood | N40p-X 2L Gore-Tex | Regular | 610 g / 1 lb 5.5 oz | 78 cm / 30.75 in | |||
Beta (Men's - Women's) | All Round | 5/10 | 5/10 | 4/10 | 5/10 | N/A | No | No | No | StormHood | N30p-X 3L Gore-Tex | Fitted | 300 g / 10.6 oz | 76 cm / 30 in | |||
Beta Long (Men's) | All Round | Review | 5/10 | 8/10 | 8/10 | 3/10 | N/A | No | No | No | StormHood | N80p 3L Gore-Tex | Regular | 441 g / 15.6 oz | 85 cm / 33.5 in | ||
Beta Coat (Women's) | All Round | 7/10 | 5/10 | 4/10 | 5/10 | N/A | No | Yes | No | StormHood | 3L Gore-Tex | Regular | 320 g / 11.3 oz | ? | [Men's / Women's] | ||
Beta LT Hadron (Men's - Women's) | All Round | 5/10 | 5/10 | 4/10 | 5/10 | N/A | No | No | No | StormHood | Hadron 3L Gore-Tex | Fitted | 255g / 9 oz | 76 cm / 30 in | |||
Beta LT (Men's - Women's) | Beta AR alternative. | All Round | Review | 8/10 | 7/10 | 8/10 | 5/10 | N/A | Yes | No | No | StormHood | N40d 3L Gore-Tex | Fitted | 395 g / 13.9 oz | 76 cm / 30 in | |
Beta Insulated (Men's - Women's) | Best insulated shell. | All Round | 10/10 | 4/10 | 4/10 | 2/10 | 21/-6 | Yes | Yes | No | StormHood | N40d 2L Gore-Tex | Regular | 680 g / 1 lb 8 oz | 78.5 cm / 31 in | [Men's / Women's] | |
Beta Insulated Coat (Women's) | Beta Insulated alternative. | All Round | 7/10 | 4/10 | 4/10 | 2/10 | 16/-9 | No | Yes | No | StormHood | N40d 2L Gore-Tex | Regular | 600 g / 1 lb 5.2 oz | ? | [Men's / Women's] | |
Beta AR (Men's - Women's) | Go-to all-round harshell. | All Round | Review | 8/10 | 8/10 | 8/10 | 4/10 | N/A | Yes | No | No | DropHood | N40r-X & N80p-X Most Rugged 3L Gore-Tex Pro | Regular | 460 g / 1 lb | 76 cm / 30 in | |
Beta SV (Men's - Women's) | Strongest all-round harshell. | All Round | Review | 8/10 | 10/10 | 9/10 | 3/10 | N/A | Yes | No | No | StormHood | N80p-X Most Rugged 3L Gore-Tex Pro | Regular | 495 g / 1 lb 1.5 oz | 79 cm / 31 in | [Men's / Women's] |
Alpine Guide (Men's - Women's) | All Round | 8/10 | 10/10 | 9/10 | 3/10 | N/A | Yes | No | No | StormHood | N80d-X Most Rugged 3L Gore-Tex Pro | Regular | 480g / 1 lb 0.9 oz | ? | [Men's] | ||
Gamma SL (Men's - Women's) | A trimmer Gamma LT. | All Round | Review | 7/10 | 2/10 | 6/10 | 5/10 | N/A | No | No | No | StormHood | Fortius 1.0 | Trim | 310 g / 10.9 oz | 74 cm / 29.1 in | [Men's / Women's] |
Gamma LT (Men's) | A fleeceless, trimmer Gamma MX. | All Round | Review | 7/10 | 3/10 | 7/10 | 3/10 | N/A | No | No | No | StormHood | Wee Burly | Regular | 545 g / 1 lb 3.2 oz | 76 cm / 30 in | [Men's / Women's] |
Gamma MX (Men's - Women's) | A softshell with a fleece. | All Round | Review | 6/10 | 4/10 | 8/10 | 3/10 | N/A | No | No | No | StormHood | Fortius 2.0 | Regular | 555 g / 1 lb 3.6 oz | 74 cm / 29.1 in | [Men's / Women's] |
Rush (Men's - Women's) | Go-to ski jacket. | Skiing | Review | 8/10 | 9/10 | 9/10 | 3/10 | N/A | Yes | No | No | StormHood | N80p-X & N100p-X 3L Most Rugged Gore-Tex Pro | Regular | 590 g / 1 lb 4.8 oz | 79.5 cm / 31.25 in | [Men's] |
Sabre (Men's) | Alternative to Rush. | Skiing | 8/10 | 8/10 | 8/10 | 2/10 | N/A | Yes | No | No | StormHood | N80p-X 3L Gore-Tex | Regular | 705 g / 1 lb 8.9 oz | 79 cm / 31 in | ||
Sentinel (Women's) | Skiing | 8/10 | 8/10 | 8/10 | 2/10 | N/A | Yes | No | No | StormHood | N70p 3L Gore-Tex | Regular | 370 g / 13.1 oz | ? | |||
Macai (Men's) | Go-to insulated ski jacket. | Skiing | Review | 10/10 | 8/10 | 9/10 | 1/10 | 5/-15 | Yes | No | No | DropHood | N40p-X 3L Gore-Tex | Regular | 1 kg / 2 lb 3.3 oz | 75 cm / 29.5 in | |
Macai LT (Men's) | A lighter Macai with StormHood. | Skiing | 8/10 | 7/10 | 8/10 | 1/10 | 8/-13 | Yes | No | No | StormHood | N40p-X 3L Gore-Tex | Regular | 855 g / 1 lb 14.2 oz | ? | [Men's] | |
Andessa (Women's) | Go-to insulated ski jacket. | Skiing | 10/10 | Testing | Testing | 1/10 | 8/-13 | Yes | No | No | DropHood | N40d 3L Gore-Tex | Trim | 869 g / 1 lb 14.7 oz | ? | ||
Andessa Shell (Women's) | Non-insulated Andessa. | Skiing | 5/10 | Testing | Testing | 3/10 | N/A | No | No | No | DropHood | N70p 3L Gore-Tex | Trim | 560 g / 1 lb 3.8 oz | ? | ||
Theriss Down (Women's) | Skiing | 8/10 | 6/10 | 7/10 | 2/10 | Testing | Yes | No | No | StormHood | N80p 2L Gore-Tex | Regular | 709 g / 1 lb 9 oz | ? | |||
Rush IS (Women's) | An insulated Rush. | Skiing | 5/10 | Testing | Testing | 9/10 | 16/-9 | No | No | Yes | StormHood | Gore-Tex Infinium | Regular | 515 g / 1 lb 2.2 oz | ? | ||
Sentinel IS (Women's) | Skiing | Testing | Testing | Testing | Testing | 21/-6 | Yes | No | No | StormHood | N80p 2L Gore-Tex | Regular | 600 g / 1 lb 5.2 oz | ? | [Women's] | ||
Ski Guide (Men's - Women's) | Skiing | Testing | Testing | Testing | Testing | N/A | Yes | No | No | DropHood | N80d Most Rugged 3L Gore-Tex Pro | Regular | 570 g / 1 lb 4.1 oz | ? | |||
Micon Heather | Skiing | Testing | Testing | Testing | Testing | N/A | Yes | No | No | StormHood | NP100-d 3L Gore-Tex | Regular | 685 g / 1 lb 8.2 oz | 83 cm / 32.5 in | [Men's] | ||
Micon (Men's) | Skiing | Testing | Testing | Testing | Testing | N/A | Yes | No | No | StormHood | N80p 3L Gore-Tex | Regular | 685 g / 1 lb 8.2 oz | 83 cm / 32.5 in | [Men's] | ||
Cassiar (Men's) | Skiing | Review | 8/10 | 7/10 | 8/10 | 3/10 | N/A | Yes | No | No | DropHood | N70p 3L Gore-Tex | Trim | 820 g / 1 lb 12.9 oz | 74.5 cm / 29.3 in | [Women's] | |
Cassiar LT (Men's) | Skiing | Review | 6/10 | 6/10 | 6/10 | 5/10 | N/A | Yes | No | No | DropHood | N70p 3L Gore-Tex | Trim | 605 g / 1 lb 5.3 oz | 75 cm / 29.5 in | [Women's] | |
Ravenna (Women's) | Skiing | Review | 8/10 | 7/10 | 8/10 | 3/10 | N/A | Yes | No | No | DropHood | N70s-4 3L Gore-Tex | Trim | 725 g / 1 lb 9.6 oz | 69.5 cm / 27.4 in | [Men's] | |
Ravenna LT (Women's) | Skiing | Review | 6/10 | 6/10 | 6/10 | 5/10 | N/A | Yes | No | No | DropHood | N70p 3L Gore-Tex | Trim | 540 g / 1 lb 3 oz | 69 cm / 27.2 in | [Men's] | |
Procline (Men's) | Skiing | Testing | Testing | Testing | Testing | N/A | Yes | No | No | StormHood | N70p Gore-Tex Infinium | Trim | 720 g / 1 lb 9.4 oz | 76 cm / 30 in | [Women's] | ||
Shashka Stretch (Women's) | Skiing | Testing | Testing | Testing | Testing | N/A | Yes | No | No | StormHood | N70p Gore-Tex Infinium | Trim | 670 g / 1 lb 7.6 oz | 71 cm / 28 in | [Women's] | ||
Sabre AR (Men's) | Skiing | Review | 7/10 | 8/10 | 7/10 | 7/10 | N/A | Yes | No | No | StormHood | N70p 3L Gore-Tex | Regular | 700 g / 1 lb 8.7 oz | 79 cm / 31 in | [Men's] | |
Sentinel AR (Women's) | Skiing | Review | 7/10 | 8/10 | 7/10 | 7/10 | N/A | Yes | No | No | StormHood | N70p 3L Gore-Tex | Regular | 590 g / 1 lb 4.8 oz | 72.5 cm / 28.5 in | [Women's] | |
Sabre LT (Men's) | Skiing | Review | 7/10 | 8/10 | 7/10 | 8/10 | N/A | Yes | No | No | StormHood | N80p 3L Gore-Tex | Regular | 660 g / 1 lb 7.3 oz | 83 cm / 32.5 in | ||
Sentinel LT (Women's) | Skiing | Review | 7/10 | 8/10 | 7/10 | 8/10 | N/A | Yes | No | No | StormHood | N80p 3L Gore-Tex | Regular | 565 g / 1 lb 3.9 oz | 73.5 cm / 29 in | ||
Incendia (Women's) | Skiing | Review | 8/10 | 9/10 | 9/10 | 3/10 | N/A | Yes | No | No | StormHood | NP100d 3L Gore-Tex | Trim | 610 g / 1 lb 5.5 oz | 79 cm / 31 in | [Women's] | |
Indencia IS | Skiing | Testing | Testing | Testing | Testing | Testing | Yes | No | No | StormHood | N80p 2L Gore-Tex | Regular | ? | 78 cm / 30.75 in | [Men's / Women's] | ||
Norvan LT (Men's - Women's) | Go-to running jacket. | Running | 5/10 | 5/10 | 8/10 | 6/10 | N/A | No | No | No | Standard | N13p 3L Gore-Tex | Fitted | 190 g / 6.7 oz | ? | [Women's] | |
Squamish (Men's - Women's) | Trimmer, lighter, packable running jacket. | Running | Review | 5/10 | 4/10 | 7/10 | 9/10 | N/A | No | No | Yes | StormHood | 30D Tyono | Trim | 140 g / 4.9 oz | 77.5 cm / 30.5 in | [Women's] |
Norvan SL Ins. (Women's) | Running | Testing | Testing | Testing | Testing | 39/4 | No | No | Yes | Standard | Gore-Tex ShakeDry | Trim | 270 g / 9.5 oz | 71.5 cm / 28.1 in | [Women's] | ||
Cita (Women's) | Running | Review | 7/10 | 4/10 | 5/10 | 10/10 | N/A | No | No | Yes | Standard | Lumin | Trim | 120 g / 4.2 oz | 67.5 cm / 26.5 in | [Men's] | |
Cita SL (Women's) | Running | Review | 7/10 | 4/10 | 4/10 | 10/10 | N/A | Yes | No | Yes | Standard | Permeair 20 | Trim | 65 g / 2.3 oz | 61.5 cm / 24.2 in | [Men's] | |
Incendo (Men's) | Running | Review | 7/10 | 4/10 | 5/10 | 10/10 | N/A | No | No | Yes | Standard | Lumin | Trim | 125 g / 4.4 oz | ? | ||
Incendo SL (Men's) | Running | Review | 7/10 | 4/10 | 4/10 | 10/10 | N/A | No | No | Yes | Standard | Permair 20 & Canim | Trim | 80 g / 2.8 oz | 73 cm / 28.75 in | [Men's / Women's] | |
Incendo Airshell | Running | Testing | Testing | Testing | Testing | N/A | No | No | Yes | Standard | ? | ? | ? | ? | [Men's] | ||
Norvan SL (Men's - Women's) | Running | Review | 7/10 | 6/10 | 8/10 | 8/10 | N/A | No | No | Yes | Standard | Gore-Tex Infinium | Trim | 120 g / 4.2 oz | 77 cm / 30.4 in | [Women's] | |
Trino SL (Men's) | Running | Review | 8/10 | 5/10 | 7/10 | 6/10 | N/A | No | No | No | Standard | Gore-Tex Infinium | Trim | 340 g / 12 oz | 74 cm / 29.1 in | [Men's / Women's] | |
Trino SL Anorak (Women's) | Running | Review | 8/10 | 7/10 | 8/10 | 7/10 | N/A | No | No | No | Standard | Gore-Tex Infinium | Trim | 290 g / 10.2 oz | 65 cm / 25.5 in | [Men's / Women's] | |
Nodin (Men's - Women's) | Running | 8/10 | 5/10 | 5/10 | 10/10 | N/A | No | No | Yes | Standard | 20D Tyono | Trim | 155 g / 5.5 oz | 75 cm / 29.5 in | [Men's / Women's] | ||
Solano (Men's - Women's) | Around Town | Review | Testing | Testing | Testing | Testing | N/A | No | No | No | Standard | Gore-Tex Infinium | Relaxed | 355 g / 12.5 oz | 72 cm / 28.3 in | ||
Venda Anorak (Women's) | Around Town | Testing | Testing | Testing | Testing | N/A | No | No | No | Standard | Gore-Tex | Relaxed | 255 g / 9 oz | 75.5 cm / 29.7 in | |||
Zeta FL (Men's - Women's) | Hiking | 4/10 | 6/10 | 4/10 | 6/10 | N/A | No | No | No | StormHood | N20r 2L Gore-Tex | Trim | 221 g / 7.8 oz | 76 cm / 30 in | [Men's / Women's] | ||
Zeta SL (Men's - Women's) | Hiking | Review | 3/10 | 5/10 | 4/10 | 5/10 | N/A | No | No | No | StormHood | 2L Gore-Tex | Trim | 310 g / 10.9 oz | 77.8 cm / 30.6 in | [Men's] | |
Zeta LT (Men's - Women's) | Hiking | 5/10 | 7/10 | 8/10 | 5/10 | N/A | No | No | No | StormHood | N40P-X 3L Gore-Tex | Trim | 335 g / 11.8 oz | 78 cm / 30.75 in | [Men's] | ||
Zeta AR (Men's) | Hiking | 7/10 | 8/10 | 7/10 | 4/10 | N/A | Yes | No | No | StormHood | 3L Gore-Tex | Regular | 425 g / 15 oz | 80 cm / 31.5 in |
As you see, the Nuclei FL is warmer, but if you take wind off the table, then I'm pretty sure that the Proton LT would feel just as warm as the Nuclei FL.
Breathability
Proton LT is ahead of the Nuclei FL in this department. The reason for this is actually the sacrifice the Nuclei FL makes with its incredible wind resistance performance.
Which brings me to my next point...
Weather Resistance
Almost the entire design intention of Nuclei FL is centered around one thing: Wind resistance.
Unlike most other jackets and hoodies (including the Proton LT), it lacks the baffled seams - which, typically, let the wind right into the jacket through the vacant spots.
If you live and/or perform a high output activity out at brutally windy weather conditions, this could make an incredible advantage for you.
Proton LT in action.
In terms of water resistance, on the other hand, they're comparable. Considering the fact that the Proton LT is meant to be a mid-layer more than a shell, you might expect it to perform worse than the Nuclei FL in this department.
But that's not the case. They're about the same.
So where do they stand?
Well, neither are equipped with Goretex. They certainly won't be as waterproof as some solid Goretex Arc'teryx shells, but still fairly water resistant. Their DWR coating work fine as well.
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.
If waterproofing is a must-have for your situation, I'd recommend you to take a look at Beta LT.
Conclusion & Best uses
- The Proton LT is designed as a breathable, insulated mid-layer for high output activities out in chilly weather. Think mountaineering, ski touring, fat biking...
Its primary points are durability and breathability. This is why I picked it as my top synthetic insulated jacket.
Additionally, it does offer some weather protection, but is best paired with a waterproof shell on top in wet weather. Otherwise it risks soaking the droplets into the fabric, especially as the DWR wears off.
- The strongest point of the Nuclei FL, on the other hand, is wind-proofing.
Under windy conditions, this also makes it a warmer alternative to Proton LT. As you see, it works as a more complete stand-alone piece compared to the Proton LT.
Additionally, unlike the Proton LT, it is packable.
But...
There's one thing you might wish having: Breathability.
Canberk: Coming late to this post. As always your thoughts and experiences with the gear are pretty spot on. Many thanks! Teshekher ederum!
I personally use the Proton LT Hoody for my mountain-biking/higher exertion efforts and always carry a Squamish (Arc) or Houdini (Patagonia) windshell (easily pack-able, light weight, etc.) in case the winds come up.
Of course, living in Colorado, USA the chances of heavy rain are pretty unlikely, so I literally have no Goretex outer layers. That would change quickly if I were to travel to other climes.
Keep up the great work and stay healthy, safe, and sane!! 🙂
Hi! Do you think that proton lt and nuclei fl would layer well together? Wearing more windproof nuclei over breathable proton when (for example) having a little break in cold, windy conditions sounds perfect to me, but I’m not sure if nuclei has enough room for proton lt under and would it be comfortable to wear them both at once (I know I can size up but let’s suppose they are in same size) :))
Have you changed your warmth rating form the last season? I see that now Cerium LT and Nuclei FL went up by something like 7 degrees celsius in terms of lowest comfortable limit. Why?
BTW: I really appreciate your site and find it really useful.