Socks are a fabric covering to the foot which may rise to the ankle or above. Socks are worn over the foot and put on before shoes.
About Tennis Socks:
Tennis socks are a type of sports-specific hosiery designed to provide foot support, protection and comfort. Tennis Socks generally feature a thick, padded double layer around the toe and heel areas to mitigate the stress that results from the natural movement of the foot while performing the sport of Tennis.