KAMIK NATIONPLUS WINTER BOOT - MEN'SIf you're searching for rugged winter boots for men, go for Kamik's Nation Plus. Whether you're out shovelling the night after a snowstorm or taking the kids tobogganing, these warm winter boots will keep your feet comfortable and dry. Featuring seam-sealed waterproof construction, and HEAT-MX insulation for extra warmth.FEATURESComfortable down to -40degF UpperSeam-sealed waterproof genuine suede upperLeather is from a tannery rated gold for its water, energy, and waste management practicesWaterproof gusset tongueRemovable HEAT-MX(TM) sustainable thermal insulation linerMoisture-wicking lining OutsoleWaterproof and flexible synthetic rubber shellSNOWTREAD synthetic rubber outsoleDeep, self-cleaning lugs for superior traction on snowTECH SPECSHeight: 11.25 inchesWeight: 3.6 lbs pairCircumference (based on size 9): 12 3 / 16 inchesGenuine leather and suede