Ripstop nylon upper upper - Alloy safety toe - Mutilation-free upper - 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 anti-microbial treatment for odor control - PU Outsole is non marking oil- slip- abrasion- and heat-resistant up to 248AdegF