A Revel IV Polar built for deeper snow, KEEN Revel IV High Polar Insulated Waterproof Hiking Boots for Men lets you make the first tracks out in the wild. Built for outdoor adventure in the dead of winter, this extra-tall hiker surrounds feet in the supportive comfort of uppers made of waterproof leather and performance mesh. Inside, breathable textile linings and KEEN-DRY waterproof/breathable membrane technology keep feet dry and comfortable through wet winter conditions. KEEN's warmest insulation (rated to -40F) blocks out the cold, while Thermal Heat Shield insoles capture warmth. Lightweight, compression-molded EVA midsoles work with these heat-capturing insoles to provide lightweight cushioning and comfort all day long. Lightweight stability shanks boost the Revel IV High Polar's support under the feet to reduce foot fatigue. KEEN.Polar Traction rubber outsoles feature 5mm multi-directional lugs for a higher-traction grip over snow and ice. Eco Anti-Odor treatments for natural odor control. Imported. Tall, lightweight, and warm hiking boots for snowy outdoor adventures Waterproof leather and performance mesh leather Breathable textile linings Waterproof/breathable membranes - waterproof protection KEEN.WARM insulation - rated to -40F Thermal Heat Shield insoles - cushion and capture warmth Lightweight CMEVA midsoles Stability shanks - help fights off foot fatigue caused by uneven terrain KEEN.Polar Traction rubber outsoles - 5mm multi directional lugs Eco Anti-Odor treatments