Safety: Asymmetrical composite safety toe Electrical hazard protection Mark II oily wet #3 on American Olean tile at .40 Design: Coated waterproof leather upper for abrasion resistance Internal waterproof membrane provides maximum protection and blood-borne pathogen resistance Fiberglass shank adds stability and structural support In-Shoe Comfort: Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return Breathable and moisture-wicking lining with antimicrobial treatment for odor control Durability & Traction: Heat-, oil-, slip-, and abrasion-resistant, non-marking rubber outsole Cement construction for added flexibility Additional Details: Moisture-wicking lining made with ReBOTL™ fabric, containing at least 50% recycled plastic