Footwear drying and warming system for active people. Dry your ski boots, snowboard boots, shoes and more. Easily portable to take on trips. Engineered to dry safely and completely. Also pre-warms footwear interior to body temperature. Will not damage footwear. Noise-free operation. Just plug into any outlet (110V) for 30 minuutes. 2 year warranty. You will appreciate these when you are riding for more than 1 day in a row as it is a drag to put on wet boots the next day.