Genuine full-grain leather means extra strength and instant comfort. Rugged pigskin upper. Classic Goodyear welt construction is sturdy and flexible. Unlined. Removable double density footbed adds cushioning and stability. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue. Steel toe rated ASTM F2413-05 M I/75 C/75 EH.