UGG Sundance boots features exposed sheepskin and is unmistakably UGG? Australia. This boot is extremely comfortable, made with the finest twin-faced sheepskin and features a removable/replaceable fleece insole and a mylar lining that provides extra warmth. The Sundance II has reinforced suede heel and toe guards for increased durability, as well as a rubber lugged outsole for extra traction and slip resistance. UGG Sundance boots is available in chestnut (dark tan) and sand (tan).