Description: The Men's Carbon Flex #GB00716 11" Pull-On features a leather upper, carbon toe, AMP insole, and a slip-resistant outsole with waterproof EH protection. Technologies: Georgia waterproof system ASTM F2413 protective toe classification ASTM F2413 Electrical Hazard Standard Bond welt construction AMP (Advanced Memory Polyurethane) insole Fiberglass shank Heel-stabilizing Counter Lock High performance mesh lining Heat, abrasion, and slip-resisting TPU/PU outsole with flex grooves for increased outsole flexibility Carbon safety toe