For all your winter needs, Ugg updated their best-selling Adirondack Boot to perform in even harsher conditions. With a range of high-tech benefits and a new fit for enhanced range of motion, the Ugg Boots Womens Adirondack III Boot Black features warming insulation, cushioned insoles, fluffy faux fur collars, and innovative outsoles designed to stay flexible in freezing temps. Cold-weather rated to withstand temperatures as low as -32C (that's -25.6F), this boot is ideal for the mountains, the city, and everywhere in between.