ANSI/ASTM I75 & C75 Approved. Oil-Tanned Leather Upper. Cotton Drill Vamp Lining. Removable, Dual-Density Ultimate Shock Absorption Footbed. Rubber Midsole. Composite Shank. Thorogood's Exclusive Slip Resistant Polyurethane MAXwear Outsole. Goodyear Storm Welt Construction. Made In The U.S.A. Electrical Hazard Rated.