*Seam-sealed waterproof genuine Lite™(Lite Impact To the Environment) eco-friendly leather upper *10.25" mid-calf tall shaft *Gusset tongue and speed lacing system *200g of 200B 3M™ Thinsulate™ insulation *Comfortable down to -40˚F *Moisture-wicking lining *Removable comfort EVA footbed with natural and non-toxic odor-eliminating Cleansport NXTTM 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