1123610 UGG Women's Adirondack Boot III For all your winter needs, UGG updated their best seller to perform in even harsher conditions, with a range of high-tech benefits and a new fit created specifically for movement. The waterproof Adirondack III features an outsole designed to stay flexible in freezing temps, extra warming insulation, a cushioning insole, and a higher cold-weather rating of -32C. Ideal for the mountains, the city, or anywhere in between, this stylish boot will bring you almost anywhere.