Asymmetrical alloy safety toe. Electric hazard protection. Mutilation free upper. Proprietary outsole with built-in Anti-Fatigue Technology for shock absorption and energy return. Fiberglass shank for structural support. Raptek microfiber for extreme durability and protection. TPU toe overlay for enhanced durability and protection. Microban technology provides an extra layer of protection on footwear fabrics to help against unpleasant odors, stains, and deterioration. Cement construction for flexibility. 30-Day Comfort Guarantee. Imported