Arc'teryx Proton SL Hoody Men's women's cardigan Maximum sun protection - fabric

Maximum sun protection - fabric is certified UPF 50+

Selected colorways dope dyed for less water usage

Made from stretch fabric and G-1000 for freedom of movement

Unmatched Versatility

It is dyed using a low-impact process that minimizes the use of dyestuffs

Arc'teryx Proton SL Hoody Men's women's cardigan Maximum sun protection - fabricClimb 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