Description: The Men's Carbo-Tec FLX #GB00714 8" features a leather upper, carbon toe, AMP insole, and slip-resistant outsole for waterproof EH-rated protection. Technologies: Georgia waterproof system Full-grain leather upper ASTM F2413 protective toe classification ASTM F2413 Electrical Hazard Standard Bond welt construction AMP (Advanced Memory Polyurethane) insole Fiberglass shank High performance mesh lining Heat, abrasion, and slip-resisting TPU/PU outsole with flex grooves for increased outsole flexibility Carbon safety toe