Description Bosideng is down with warm-weather wear. Bosideng designs, produces, and sells a wide range of leisure wear and down jackets under the brand names Bosideng, Snow Flying, Kangbo, Bingjie, Shuangyu, and Shangyu. The apparel maker produces men and women's casual wear, as well as children's clothing, sportswear, and underbritches. The largest down jacket maker in China, Bosideng also exports a number of its products to such countries in Asia, North America, and Europe. Founded in 1976, the company has grown from 11 workers on eight sewing machines to four production plants with more than 11,000 employees (three plants specialize in down garments, the other makes leisure wear products).