Columbia's most innovative Bugaboot yet. Loaded with protection from the harsh winter conditions and built with traction inspired by polar bear paws. OutDry(TM) blocks moisture with an impenetrable waterproof-breathable membrane bonded to an outer shell so your feet stay dry and comfortable in rain and snow. To trap heat, 400g insulation pairs with Omni-Heat Infinity reflective lining, which retains body heat while remaining breathable using an expanded pattern of thermal-reflective gold dots to keep feet extra warm in cold conditions. Omni-Grip(TM) Ice enhanced traction technology uses a fiber-rubber hybrid outsole to provide exceptional grip on ice and snow with traction inspired by polar bear paws. Full grain leather upper with an injection-molded shell for superior protection, but in a lighter weight Engineered with cold-resistant polymer compounds that stay flexible in low temperatures OutDry(TM) blocks moisture with an impenetrable waterproof-breathable membrane bonded to an outer shell so your feet stay dry and comfortable in rain and snow Omni-Heat Infinity reflective lining retains body heat while remaining breathable using an expanded pattern of thermal-reflective gold dots to keep feet extra warm in cold conditions 400 grams insulation for added warmth without bulk TechLite(TM) midsole provides sustained cushioning and impact absorption using lightweight responsive foam, keeping you comfortable on any terrain Inspired by polar bear paws, Omni-Grip(TM) Ice enhanced traction technology uses a fiber-rubber hybrid outsole to provide exceptional grip on ice and snow