Boot Height: Approx. 6'' Tall. Upper: Black WATERPROOF Oiled Full-Grain Leather. Lining: Spacer Mesh, Thorodri WATERPROOF System, Blood-Borne Pathogen Compliant. Insole: Polyurethane Removable Footbed / Special EVA Cushion Flex. Midsole: Compression Molded EVA with Impact 300 Gel Heel Insert. Shank: Engineered Composite. Outsole: GEN-flex2 Dual-density Rubber. Special Features: Heavy-Duty YKK Zipper with Velcro Closure.