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Arc'teryxProton LT Hooded Insulated Jacket - Women's

Arc'teryxProton LT Hooded Insulated Jacket - Women's

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4.5 out of 5 stars
11 Reviews

Proton LT Hooded Insulated Jacket - Women's

Noticing that most "breathable" insulated jackets don't actually breathe that well during fast-paced activity, Arc'teryx designed the Proton LT Hooded Insulated Jacket for high-output alpine missions where thermoregulation is key to completing your lofty objectives. Instead of being merely breathable, the Proton LT's face fabric and insulation are air permeable, meaning the jacket allows rapid air exchange without relying on built-up pressure to expel condensed perspiration along the inside of the shell. Ultimately, this means you'll stay pleasantly dry from the inside-out. Additionally, Arc'teryx gave the Proton a climbing-specific cut with a slim fit that reduces needless bulk while articulated arms and gusseted elbows enhance mobility.


  • Breathable, warm, and durable jacket for high output activities
  • Durable, weather-resistant fabric protects against the elements
  • Air permeable insulation regulates a comfortable micro climate
  • Helmet compatible hood is insulated for warmth in cold temps
  • No Slip Zip prevents front zipper from self-opening during activity
  • Insulated hand pockets warm cold fingers during rest breaks
  • Dual hem adjustments help seal out gusts in adverse conditions
  • Slim fit allows freedom of movement and comfortable layering
  • Item #ARC00ZO

Tech Specs

[face fabric] Fortius Air 20 (84% nylon, 16% elastane), [lining] Dope Permeair 20 (100% nylon)
[body] Coreloft Compact 80 (100% polyester), [hood] Coreloft Compact 60 (100% polyester)
Center Back Length
helmet-compatible, insulated
2 zippered handwarmer, 1 zippered chest
Claimed Weight
[size small] 12.3oz
Recommended Use
backcountry skiing, backcountry snowboarding, backpacking, hiking, ice climbing, mountaineering, sport climbing, trad climbing
Manufacturer Warranty
limited lifetime

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