The Cordell 6 Inch Steel Toe is stylish and a comfortable lace up from Caterpillar. Tumbled oiled full-grain leather. Nylon Mesh and suede lining for extra comfort. Removable PU insoles for all-day comfort. T731 iTechnology rubber and PU outsole for flexibility and durability. iTechnology construction for an athletic shoe feel and the durability of a Goodyear welt. Steel toe rated ASTM F2413-05 Class 75 and 1-75 Electrical Hazard rated.