Comfort and warmth for the most extreme outdoor conditions Features: Stretch-fit topline binding snugs leg to keep warmth in and cold out 5mm NEOPRENE bootie with four-way stretch nylon,100% waterproof, lightweight and flexible Fleece lining 2mm thermal foam underlay added to the instep area for additional warmth EVA molded midsole with contoured footbed MS-1 molded outsole is rugged, aggressive and durable for maximum protection and stability Height 17