This 8” Wellington Side-Zip work boot features a brown tumbled oiled full grain leather upper, Goodyear Storm Welt construction, spacer mesh lining, polyurethane removable footbed/ special EVA Cushion Flex Insole, compression molded EVA with Impact 300 Gel Heel Insert Midsole, engineered composite shank and Gen Flex™ II Dual Density Rubber Outsole. Special Features: 100% Non-Metallic, ASTM F2413-11 M I/75/C/75, COMPOSITE SAFETY TOE, EH Rated, Tested For and Meets CAN/CSA-Z195 18,000 Volts Electric Shock Resistance Standard.. Flexible Welt Net Fit Outsole, Heavy-Duty YKK Side Zipper, Anti-Roll Bar Heel Support (ABHS)