M's Proton SL Hoody Size:L offer enhanced stability and lightweight

offer enhanced stability and lightweight performance

Fully crushable for packability

and a best-in-class Vibram outsole

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

The Neutron mitts are an economical way to keep your hands warm when paddling in cold conditions

M's Proton SL Hoody Size:L offer enhanced stability and lightweightThe 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.