In fact, the stockings worn by flight attendants are different mainly for the convenience of working on the plane. The stewardess stands for a long time and works high above the ground. Wearing stockings can reduce the possibility of varicose veins. The stewardess's stockings are not a hobby either. They are specially made by airlines and then distributed. You have to change a pair twice. There are usually 5D or 10D flesh-colored socks in summer.