An article of clothing worn on the feet. "Shuowen": "Pan, footwear is also." It can protect feet and prevent foot odor. Socks are a general term, according to the raw materials are cotton stockings, woolen stockings, silk stockings and all kinds of chemical stockings, according to the shape of stockings, stockings, boat stockings, as well as flat, Luokou, heelless and jacquard, knitting and other patterns and varieties.