Experience ultimate warmth and dryness in extreme conditions with these Muck Boots. They feature an 8mm neoprene bootie with a soft fleece lining, encased in durable rubber. The 100% waterproof design, combined with lightweight cushioning and advanced Vibram Arctic Grip A.T soles for superior wet ice traction, ensures all-day comfort and support. Enhanced with bioDEWIX anti-microbial footbed inserts for odor and moisture control. Upper: Rubber/Neoprene; Lining: Rubber/Neoprene; Sole: Rubber/EVA. Care: Clean with cold water and use rubber boot care. Heel Height: 4.0 cm.