LaCrosse Men's 10" Alpha Iceman Cold Weather Boot 100% Leather clad Neoprene Rubber sole Constructed out of 100% waterproof dual density, high-abrasion/blown rubber bottom and water resistant leather upper Soft 5MM Neoprene lined with removable 9MM wool felt liner for warmth Plain toe 400G Thinsulate Ultra Insulation for warmth Fiberglass Shank for arch support