Georgia Boot Carbo Tec Comp Toe Waterproof 8'' Lacer Work Boots features goodyear welt construction, Georgia waterproof system, comfort Core insole, full-grain leather upper, ASTM F2413 I/75 C/75 Protective Toe classification, ASTM F2413 Electrical Hazard standard, nylon shank, oil- and slip-resistant rubber Carbo-Tec outsole, oil resistant PVC midsole and high performance mesh lining. Material: Leather.