recreation and conservation

Materials And Care H2No® Performance Standard shell: 2-layer

An incredible 82-85 hour burn time

weather-resistant fabric

Arc'teryx Men's Proton Super Lightweight Proton Hoody SIZE:MEDIUM recreation and conservationThe lightest, most breathable option in our Insulation Collection, the Proton Super Lightweight 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 importantly, it allows your body to breathe, so youre not left a sweaty mess after you have to step on the gas to get through the crux.