Steel Toe. Oil- and slip-resistant polyurethane outsole. ASTM F2413 protective toe classification. ASTM F2413 Electrical Hazard Standard. AMP (Advanced Memory Polyurethane) insole. Double-ribbed, tempered steel shank. Cushion EVA midsole. Full grain SPR leather upper. 3 Inches in height. High performance mesh lining. Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility. Weight: 3.2 pounds per pair for a size 10. Goodyear welt construction. Oil-resistant rubber rand.