Genuine full-grain leather means extra strength and instant comfort. Rugged pigskin upper. Classic Goodyear welt construction is sturdy and flexible. Breathable GORE-TEX® waterproof membrane lining. Removable double density footbed adds cushioning and stability. Rubber midsole. Lightweight nylon shank fights fatigue. Optional composite toe rated ASTM F2413-05 M I/75 C/75 EH.