Upper: Tobacco Oil-Tanned Leather. Construction: Goodyear Storm Welt. Insole: Removable Dual Density Ultimate Shock Absorption Footbed on Poron 4000 Comfort Cushion. Midsole: Rubber. Shank: Engineered Composite. Outsole: Vibram Christy Blown Rubber Wedge. Special Features: ASTM F 2413-05 M/I/75/C/75 Steel Toe. Electrical Hazard. Made In The USA