Full-grain crazy horse leather upper, composite safety toe cap, removable PU insole. Helcor abrasion leather toe cap for durability, oil-resistant, high-abrasion, high-heat nitrile rubber outsole for durability. Goodyear welt construction, kevlar thread for high-heat and chemical resistance used on outsole. 90 degree heel for greater safety, waterproof membrane construction. Meets or exceeds ASTM F2413-11 Impact/Compression and EH Ratings.