The waterproof leather and textile upper, combined with Omni-Heat reflective lining and 400g insulation, keeps feet dry and warm in snowy conditions. The one-piece injection molded TPR shell/outsole and Omni-Tech waterproof breathable construction ensure durability and protection. A simple bungee closure system allows for easy on and off. Please note: Laces and zippers incorporated in Columbia footwear are not waterproof.