Wolverine Men's Size 13 Medium 6" Brown Durbin Boot is a waterproof boot made of waterproof nu-buck leather upper and moisture managing mesh with waterproof membrane lining. It also features removable open cell PU cushion foot bed, advanced comfort PU midsole, rubber lug outsole, nylon shank and opanka construction. The boot is available in sizes M 7-12, 13, 14 and EW 7-12, 13.