Please Note: Shoes may not ship in original box Endure the harshest winter conditions with the Kamik® Men’s Greenbay4 winter boots. Built to withstand arctic temperatures down to -40°F, these snow boots feature heat-locking 8mm Thermal Guard insulation and a lightweight waterproof shell for complete protection against the cold. The snow collar helps keep the cold out, while the lightweight, high-traction RubberHe outsole lends aggressive grip. FEATURES: Waterproof 600 denier nylon upper Waterproof, lightweight synthetic RubberHe shell 8mm Thermal Guard removable liner made from 100 percent recycled content locks in heat and wicks moisture Adjustable snow collar with bungee lace lock to keep snow and cold air out Adjustable midfoot hook-and-loop strap provides a custom fit PRIME lightweight synthetic RubberHe outsole supplies traction Built in USA with domestic and imported materials Height: 15’’ Weight: 3.6 lbs. per pair Comfort rating: Down to -40°F