LaCrosse Ice King waterproof winter boots live up to their name by keeping you warm in even the most extreme temperatures. 400 grams of Thinsulate Ultra insulation line the inside of the boot through the toe, instep, heel, and ankle. A removable 3/4" poly foam liner provides added warmth and can be dried quickly for multiple outings. The ozone-resistant rubber bottom, full-grain leather body, and 1000-denier nylon upper are 100% waterproof. A classic, heavy-duty Trac-Lite outsole delivers outstanding all-around traction in mud, snow, and other loose terrain. The 6mm felt footbed and 8mm felt midsole further insulate your foot from the cold ground. 10" shaft height. Weighs 6.6 lbs.