Built on a single-width, anatomical last for a more versatile, optimal fit Premium full-grain leather Alloy safety toe Metallic puncture-resistant plate Cement construction for flexibility Metal and mutilation free Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return Fiberglass shank for structural support Heat-, slip-, oil-, and abrasion-resistant, non-marking rubber outsoles Breathable and moisture-wicking lining with antimicrobial treatment for odor control Heat-, oil-, slip-, and abrasion-resistant, non-marking rubber outsole 30-day comfort guarantee