The agility of a light hiker with the warmth of a down jacket. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice. KEEN.DRY KEEN.WARM RECYCLED P.E.T. KEEN.POLAR TRACTION Heat Trapolator Thermal Heat Shield Footbed Environmentally Preferred Leather Eco Anti-Odor Product Details Style Number1027726 Weight20.32oz / 576g Shaft Height3.94in / 100mm Heel Height2.17in / 55mm Heel-to-Toe Drop0.39in / 10mm Features Original Fit–Iconic KEEN fit with generous space across forefoot for toes to spread out Heat Trapolator technology: Three layers of heat-trapping materials underfoot 200g of KEEN.WARM Recycled P.E.T. insulation rated to -25°F/-32°C Notch in back for Achilles movement and comfort Metal eyelets for added durability Compression-molded foam midsole for cushioning Thermal Heat Shield insole captures warmth KEEN.POLAR TRACTION outsole for better grip on snow and ice 5mm multi-directional lugs for traction Stability shank delivers lightweight stability Materials Waterproof leather and performance mesh upper Breathable textile lining Non-marking multi-directional lugs for increased traction CareGently brush leather with a soft bristle brush or hand towel to remove loose dirt and debris. Tough stains may require a leather cleaner. Warmth to -25ºF Warmth to -25ºF 200g of recycled PET insulation plus three layers of heat-trapping materials underfoot. Waterproof Protection Waterproof Protection KEEN.DRY waterproof, breathable membrane and PFAS-free water repellency work together to keep feet dry. WinterLab-Tested Grip WinterLab-Tested Grip Microscopic shards in our KEEN.POLAR TRACTION rubber dig into icy, frigid terrain.