Comfortable down to -20°C. Seam-sealed waterproof genuine leather upper. Lace up style with padded felt collar. HEAT-MX™ 90 sustainable thermal insulation. Moisture wicking fleece lining. Removable CushyStep Everyday EVA foam footbed. Cleansport NXT™ treatment. Waterproof and recyclable lightweight synthetic Rubber. Proprietary technology. WILL outsole with deep and wide.