Boot Height: Approx. 11'' Tall. Comfort Technology. Full Grain Waterproof Leather. Waterproof Breathable Membrane. Genuine Cambrelle II Lining Treated with Agion Antimicrobial. Removable Air Flow Comfort Orthotic. Tempered Steel Shank. Injected Polyurethane Midsole. Injected Polyurethane Outsole. TPU High Abrasion and Chemical Resistant Foot. Steel Toe meets ASTM I75-C75 Standards F2413-05. Electrical Hazard meets ASTM Standards F2413-05.