Whether you're tubing with the kids or going snowshoeing, our Iceland Lo insulated boots won't let you down. Featuring a seam-sealed waterproof upper and a waterproof shell, these rubber and leather boots will protect you from the elements. And don't worry about the cold, because these insulated boots are made to keep you warm in -40degF with HEAT-MX(TM) technology. These cold weather boots boast high-traction soles for heightened stability and a comfortable CushyStep footbed. Design: Seam-sealed waterproof PU coated leather upper Padded collar and gusset tongue 145g of HEAT-MX(TM) sustainable thermal insulation Lace up style with padded collar Moisture-wicking fleece lining Removable CushyStep Everyday EVA foam footbed Odor-eliminating, natural and non-toxic Cleansport NXT(TM) treatment Waterproof and flexible synthetic rubber shell DEFENDER2 outsole offers heightened stability and traction in snowy conditions Channels easily disperse snow, mud and water Comfortable down to -40degC