Built on single-width, anatomical fit last for more versatile, optimal fit. Asymmetrical composite safety toe powered by CarbonShield™ technology. Electrical Hazard Protection. Metal and mutilation free. Lightweight and abrasion-resistant All-Weather TPU outsole. Fiberglass shank for structural support. Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return. Abrasion- resistant ripstop mesh upper light weight and breathable performance. TPU toe overlay for enhanced durability and protection. Breathable and moisture-wicking lining with anti-microbial treatment for odor control. Cement construction for flexibility. 30-Day Comfort Guarantee. Imported