Ugg boots clearance originated during the First World War, the Australian Expeditionary Force pilots wear a sheepskin simple sewing "Fug Boots (flying snow boots)." Continuation to the 1960s,Australian surfers to keep warm,to emulate when World War I pilots practice this sheepskin on the bottom with a cushion made of "shoes",to facilitate the feet warm after surfing ashore. Later,ugg clearance boots refers to this fur boots made synonymous,a household name in Australia and even the world.