Sole Material Rubber Closure Type Lace-Up Water Resistance Level Waterproof About this Item Weather Rated -20° Description Khombu Women's The Slope Winter Snow Boots. Khombu, an official supplier of the US ski team, has kept outdoor enthusiasts warm and dry for over 25 years. Developed to withstand the harsh conditions of the Himalaya Khombu Ice Fall, these boots are up for the challenge of your next adventure. Like new, a few scuffs from sitting in closet.