Equipped with an Ergo-Fit carbon safety toe shaped to match the contours of your foot, the Georgia Boot Men's Carbon Flex Wedge 11" Pull On Waterproof Carbon Toe Work Boots meet ASTM F2413 standards for protective toe and electrical hazard safety. A fiberglass shank and Counter Lock heel support system add stability, while the co-molded TPU/PU outsole delivers heat, abrasion, and slip resistance.