Genuine full-grain leather means extra strength and instant comfort. Rugged pigskin upper. Patented, long-lasting Dri-lex® lining wicks away sweat and keeps skin dry and comfortable. Removable double density footbed adds cushioning and stability. Permanent direct-attach molding seals out water. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue. Composite toe rated ASTM F2413-05 M I/75 C/75 EH.