The Bosideng down jacket of Vipshop is the same as the clothes in the physical store. Bosideng down jacket has a brand trademark. Authentic Bosideng down jacket also has factory name and address, certificate of approval, quality grade and cashmere content. Bosideng down jacket bought online, you can pat it with your hands several times after receiving the goods. If there is no dust overflow, it is a reliable product. If you feel soft and basically can't touch the hair stalk, it means that the cashmere content is high and the quality is good.