M's Proton SL Hoody Size:L Sounds a single ding

Sounds a single ding

and a best-in-class Vibram outsole

Fully crushable for packability

Packs into a 45cm x 15cm x 11cm full zip case that has a daisy chain and webbing handle

Drop into banked corners

M's Proton SL Hoody Size:L Sounds a single dingThe 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 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.