The Glacier can handle any winter condition. It has a durable 1000-denier Cordura® nylon upper outfitted with cordlock cuffs and handcrafted, 100% waterproof rubber shell. Each has a removable 13mm ThermoPlus® felt inner boot and removable 13mm Meltdown Midsole™. It also has an Aerotrac™ outsole. Order next size up if wearing with heavy socks. Kids' whole sizes: 1-6. Color: Black.