Features： 1、Help repair venous return, stay away from varicose, and improve support effect 2、It is made of high?quality materials, breathable and sweat?absorbing, not easy to fall off, simple and comfortable. 3、Contract muscle valve, repair venous valve, promote blood return, light pressure, not tight. 4、Anti?slip design, fine silica gel at the mouth of the long tube to prevent movement down. 5、Anti?allergic design can effectively prevent allergies caused by fabrics. Specification： Condition: Item Type: Compression Stockings Product Material: Spandex SizeAnkleCalfWeight S16-21cm / 6.3-8.3in26-30cm / 10.2-11.8inUnder 45kg/99.2lb M18-25cm / 7.1-9.8in31-34cm / 12.2-13.4in45-55kg/99.2-121.3lb L22-28cm / 8.7-11in35-37cm / 13.8-14.6in55-62.5kg/121.3-137.8lb XL24-30cm / 9.4-11.8in38-41cm / 15-16.1in65.2-75kg/137.8lb-165.3lb XXL26-32cm / 10.2-12.6inAbove 42cm / 16.5inAbove 75kg/165.3lb Features: Contract muscle flaps, repair venous valves, promote blood return, light pressure, comfortable ventilation, lifting and tightening, sequential decompression, elastic bands, not tight. Soft and comfortable to wear, high elasticity, arbitrary pulling, lint-free Package List： 1 x Pair of Compression Stockings