Wolverine 3226 USA Assembled Steel Toe Boot comes with waterproof Nubuck leather upper for comfort and durability; 200-gram Thinsulate Insulation for added warmth; Permanent direct-attach molding that seals out water; Patented, long-lasting Dri-lex lining that wicks away sweat and keeps skin dry and comfortable; Removable double density footbed for added cushioning and stability and lightweight Fiberglass shank that stabilizes your foot and reduces fatigue