Rugged pigskin upper. 200-gram Thinsulate Insulation adds warmth. Permanent direct-attach molding seals out water. Tough Cambrelle lining absorbs moisture. Removable double-density footbed adds cushioning and stability. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue.PRODUCT FEATURES: Wolverine DuraShocks Hiker Soft-Toe Assembled in USA Thinsulate Ultra Insulation Waterproof