Durable, waterproof full-grain leather and nubuc leather upper. 100% waterproof and breathable GORE-TEX lining. Cushioning Fatigue Fighter footbed. PU midsole for durable shock absorption with an additional forefoot EVA layer for added cushioning. Non-metallic toe meets or exceeds ASTM F2413-11 M I/75 C/75 EH standards. Electrical hazard (EH) footwear is manufactured with non-conductive electrical shock resistant soles and heels.