Compression stockings are worn to compress the lower torso and create pressure from the ankle up to the knee to allow healthy blood circulation. Varicose veins are common to people who live a sedentary lifestyle. Blood pools at the lower part of the body instead of moving back to your heart and allow a healthy flow of oxygen. Doctors say that poor blood circulation can be precursors to various health problems as well as infection. Compression stockings can increase blood flow and ensure healthy circulation.