UGG AUSTRALIA. 1909 SAN. ADIRONDACK BOOT II. SAND.Renowned for its bar-raising blend of fashion and performance the sleek silhouette of the Adirondack II is packed with premium materials and cold weather technology. Whether the collar is cuffed down or folded up the waterproof leather insulating UGGpure interior breathable eVent membrane and traction-enhancing Vibram outsole on this first-rate snow boot stand up to temperatures as low as -20 C in unsurpassed style.