Whether you’re hitting the trail, conquering fresh powder, or just enjoying winter, we designed the Keystone to keep you feeling great. HydroBlock® Sport 10k/10k waterproof/breathable provides protection on wet weather days, while Full-Motion™ articulation means the Keystone moves naturally with your body. Reinforced construction offers mountain-ready durability, so the Keystone will stay in rotation for years to come.

S = short length