These boots are ready for winter excursions with a heavily insulated interior and a waterproof yet breathable exterior. The shell rubber construction provides a slush-ready grip for safe and steady walks in the city and even apres-ski days. Features: - Injection molded rubber shell/outsole - Waterproof PU coated leather and textile upper - Omni-Heat reflective lining - 400g insulation - Omni-Tech waterproof breathable construction - Bungee closure system Please note: Laces and zippers incorporated in Columbia footwear are not waterproof.