Arc'teryx Proton SL Hoody Men's women's fleece jacket it delivers exceptional comfort and

it delivers exceptional comfort and extra warmth

The intricate pattern of the Isabetta might have you dreaming of Nordic fjords

Made from water-resistant recycled polyester canvas

Embroidered logo

What's been updated: Updated with a PFAS-free FC0 DWR (Durable Water Repellent) treatment and a roomier regular fit for expanded layering options

Arc'teryx Proton SL Hoody Men's women's fleece jacket it delivers exceptional comfort andClimb 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