Ugg boots are a unisex style of sheepskin boot originating in Australia and New Zealand. Other apparel often included fur hats, high boots, and sheepskin coats. The brand is best known for their sheepskin and Merino wool products. It is perhaps best known for producing sheepskin boots. Mandan women wore ankle-length dresses made of deerskin or sheepskin. Advertisements for Australian sheepskin boots first appeared in Californian surf magazines in 1970. Parchment is most commonly made of calfskin, sheepskin, or goatskin. Seasonal clothing like sheepskin coats are also worn during the winter. Crombie-style overcoats and sheepskin coats became common. During the summer months, however, they often wore only a loincloth of deerskin or sheepskin. Kazakh girls wear trousers made of sheepskin, homespun cloth, and heavy cotton fabrics. Ushankas are often made from inexpensive sheepskin ("tsigeyka", ), rabbit or muskrat fur. Leslie Irvin first designed and manufactured the classic sheepskin flying jacket. Deckers continues to source most of its sheepskin from Australia. They also yield sheepskin and parchment.