Powertrain work shoes feature alloy safety toes, electrical hazard protection, and anti-fatigue technology for all day comfort. Features & Benefits Premium mutilation-free ripstop nylon upper Alloy safety toe Cement construction for flexibility Fiberglass shank for structural support Proprietary outsole with built-in Anti-Fatigue Technology for shock absorption and energy return Protective TPU overlay Breathable and moisture-wicking lining with antimicrobial treatment for odor control 30-day comfort guarantee Imported Alloy Toe SD35 Non Mutilating Anti-Fatigue Technology 30-Day Comfort Guarantee ReBOTL PU Outsole