"Foot color" refers to the design of pantyhose or sole socks. There is a hole on the instep that can accommodate the size of the foot root, which can be used for stepping on the foot to prevent loosening. In addition, the color of this kind of socks is usually designed to be similar to human skin color to achieve visual harmony.

Foot socks are placed on the heels, which are generally not easy to be damaged and do not need to be cleaned every day. When put on, it will not wrap the whole foot, so the position of the foot will not stink and harden, and it can be worn for many days.