Tumbled full-grain leather upper. Permanent direct-attach molding seals out water. Leather lined. Removable double density footbed adds cushioning and stability. Tough, lightweight polyurethane midsole and outsole. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue. Composite toe rated ASTM F2413-05 M I/75 C/75 EH