*Seam-sealed waterproof PU-coated leather upper *Mid-calf shaft with padded collar and tongue *Speed lace-up front closure *200g of 200B 3M & trade; Thinsulate & trade; insulation *Comfortable down to -40°F *Moisture-wicking lining *Removable comfort EVA footbed with natural and non-toxic odor-eliminating Cleansport NXT & trade; treatment *Waterproof and flexible synthetic rubber shell outsole *DEFENDER 2 outsole offers heightened weather stability and traction with channels that easily disperse snow mud and water *Available in whole sizes only half sizes please order the next size up