Design: Waterproof DriDefense membrane leather upper to prevent water or snow from getting inside your shoe Odor eliminating treatment Lace up style with padded collar In-Shoe Comfort: Ortholite® Hybrid™ ultimate eco-friendly comfort footbed HEAT-MX™ sustainable thermal insulation for extra warmth Moisture wicking soft boa lining Durability and Traction: Vibram® Arctic Grip A.T. technology for a flexible performance with superior grip in the snow SNO synthetic rubber outsole Additional Details: Vegan-friendly Height: 7 inches Weight: 2.34 lbs. per pair -22°F comfort rating Kamik Men's Spencer N Winter Boots