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Tech Tips with Wavelock
The brand new Crux™ delivers 20% more water per sip
Renowned for its startling cushion-to-weight ratio
Updated silhouette with new materials and tech features
Heel-To-Toe Drop: 6
Arc'teryx Men's Proton Sl Hoody Size:S Tech Tips with WavelockThe 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. What's been