Provide compression to prevent varicose veins: Compression stockings are specially designed to apply pressure to the calves, gently squeeze, and make blood circulation in the legs; it helps to improve blood circulation and prevent leg swelling, thrombosis and varicose veins. And reduce discomfort. Gradient compression level, 20-30mmHg: Our footless compression stockings are medical grade and can provide constant gradient compression (20-30mmHg); gradient compression stockings put some pressure near the ankle, and then gradually as they rise Reduce pressure, increase blood flow and reduce the risk of deep vein thrombosis. Comfortable to wear: Made of Lycra and Spandex, our elastic elastic compression socks provide a comfortable, lightweight and breathable fit without jamming your ankles, knees and skin; at the same time, the footless design will not squeeze your feet; Its best to wear compression socks during the day and take them off before going to bed. Suitable for anyone who wants fresh legs: Our medical calf compression sleeve is suitable for people who stand, sit, take an airplane or vehicle for a long time, or who have heavy, sore or sore legs. As agitated as the buying guide, doctors, nurses and pregnant women need to wear these calf compression sleeves to relieve symptoms such as spiders and varicose veins. Suitable weight: S: 45kg; M: 45-55kg; L: 55-62.5kg; XL: 62.5-75kg; XXL: 75kg.(for reference only) Package includes: 1 pairs of Compression Sock