Unisex, Size 9 Men/10 Woman, Brown, Chore Cool Hi Muck Boots, Comfort Range 40 Degrees Fahrenheit, 4 Degrees Celsius To 95 Degrees Fahrenheit, 35 Degrees Celsius, 4 mm CR Flex-Foam, XpressCool Lining, Rugged Spandura Upper, Steel Shank, Easy To Clean Rubber Overlay, Triple Toe & Quadruple Rubber Heel Reinforcement, Vibram Outsole.