Upper: Tobacco Gladiator Oil-Tanned Full Grain Leather. Construction: Goodyear Storm Welt. Insole: Removable Dual Density Ultimate Shock Absorption Footbed on Poron 4000 Comfort Cushion. Midsole: Rubber. Shank: Engineered Composite. Outsole: Thorogood Exclusive MAXwear Wedge. Special Features: Full pigskin lining.