Lacrosse Mesquite Leather 100% waterproof protection from ozone resistant bottom and distressed, full-grain oiled leather upper 200G of Thinsulate Insulation offers lightweight warmth for those needing protection in cold climates Removable Air Cushion footbed provides all day comfort and under foot insulation Pull on style with side zipper for easy on and off Slip-resistant, self-cleaning rubber Rope Cleated outsole