Synthetic leather upper. Traditional lacing for an easy on and off. Padded tongue and collar. Protective synthetic toe bumper. Soft fabric lining for a more comfortable fit. Features a cushioned, removable insole topped with Memory Foam for incredible all-day comfort. Supportive midsole provides excellent shock absorption. Flexible nitrile rubber outsole delivers reliable slip resistance and traction. Electrical Hazard (EH) Safe design rated ASTM F2413-11. Slip-resistant outsole is tested ASTM F1677-2005 to meet or exceed a .5 coefficient even on wet and oily surfaces.