M's Proton SL Hoody Size:L Fully crushable for packability

Fully crushable for packability

Internal organization has been optimized for travel purposes and rugged compressions straps keep your carry tight and stable whether you're bringing your whole kit along or slimming down for excursions

Sounds a single ding

Strapback closure

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

M's Proton SL Hoody Size:L Fully crushable for packabilityThe 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.