Bag by UGG, Bag it up, Adjustable body strap, Zip closure, Interior zip pocket. The brand behind Australia's original sheepskin boots, UGG combines luxurious comfort with durability and style. From modest beginnings in 1978 among the surf community, UGG boots were quickly adopted for their natural cosiness and laid-back appeal. Made with moisture-wicking sheepskin, the brand's collection of classic tall and short styles works to keep your feet close to your natural body temperature.