Arc'teryx Proton SL Hoody Men's Size:Large It's made with our BreatheInterlock™

It's made with our BreatheInterlock™ performance stretch knit fabric that wicks away moisture

*Fiber percentages of socks may vary slightly

Activity level: High

lightweight

and Candle Flicker by pressing the power button

Arc'teryx Proton SL Hoody Men's Size:Large It's made with our BreatheInterlock™Climb 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