Georgia waterproof system. EVA midsole. Light and flexible cement construction. Full-grain leather upper. ASTM F2413 protective toe classification. ASTM F2413 Electrical Hazard Standard. AMP (Advanced Memory Polyurethane) insole. Oil- and slip-resistant rubber outsole. Nylon shank. 6 Inches in height. High performance mesh lining. Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility. Weight: 3.8 pounds per pair for a size 10vCradle Lacing System. Durable rubber toe and heel. 1 3/4 Inch heel.