Built on single-width, anatomical fit last for more versatile, optimal fit. Asymmetrical alloy safety toe. Premium waterproof full-grain leather with waterproof membrane. Electric hazard protection. Fiberglass shank for structural support. Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return. 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