Arc'teryx Proton SL Hoody Men's Men's Footwear Open exterior

Open exterior

packable and really well ventilated – Abisko Midsummer Jacket is a perfect companion when hiking in warm climates

a wash that has been formulated to thoroughly clean down items without damaging the delicate material within

Crafted from cozy French terry

A little higher against the elements and even better with age

Arc'teryx Proton SL Hoody Men's Men's Footwear Open exteriorClimb comfortably in our lightest, most breathable fully insulated hoody. The Proton SL Hoody was previously the Proton Lightweight Hoody. The lightest, most breathable option in our Insulation Collection, the Proton SL Hoody takes the guesswork out of warming up on cold climbs and other high output activities in cool conditions. The knit insulation holds its loft and shapeno matter how often you stuff it into the bottom of your pack. More