The medical grade compression socks are designed to help prevent the occurrence of, and guard against further progression of, varicose veins and thrombosis, as well as increases venous blood flow velocity and valve effectiveness. The socks can also help to relieve heavy legs, fatigue and discomfort. The socks are suitable for someone who have to standing for long hours and the elderly who sits all day. The socks are also good for sports. Available in 5 sizes and 6 colors which fit for men and women.