Top-notch components and superior construction ensure warm, dry feet regardless of conditions. Protective Cap: Aluminum Toe. Waterproof: UltraDry. Insulation: 400g PrimaLoft Gold Eco. Upper: USA Made Full Grain, Waterproof Leather. Lining (Vamp): Combat Super Knit. Lining (Quarter): Combat Super Knit. Counter: Heel-Molded. Footbed: Removable Polyurethane. Shank: Non-metallic. Outsole: Rubber-PU Comfort Trek