Flashy compression socks.to improve blood circulation in the legs by applying gentle pressure, helping to prevent swelling, blood clots (DVT), and varicose veins, while also soothing tired legs, aiding muscle recovery, and supporting circulation for people who sit or stand for long periods, travel, exercise, or are recovering from surgery. They work by squeezing the leg to help blood move from the lower extremities back toward the heart.toward the heart.