Men's waterproof ankle boot that's easy to slip-on. Insulated with neoprene to keep feet warm in harsh weather, up to negative 20 degrees. Memory foam insole for comfort while the outside has a protective safety toe and trusted Vibram outsole. - Waterproof full neoprene insulation and upper - Rubber outsole with heavy duty tread - Back nylon webbing pull tab for ease. - Rubber kick-plate for hands-free ease - Hard rubber inner-sole board - Steel shank for support.