Aim for that effortlessly casual cold-weather look with the chic and cozy UGG Saela Sweater Boot. This ankle boot is designed with the Treadlite by UGG outsole, which ensures enhanced cushioning, durability, and traction and an UGGpure wool insole, which wicks moisture away and keeps your foot happy all day. 17mm UGGpure wool insole and heel lining Treadlite by UGG outsole Knit shaft: 70% cotton, 30% nylon Nylon binding Woven heel label with UGG logo Foldable shaft with snap fasteners.