1The compression stocking is specially designed to protect your calves and prevent varicose veins. 2Lightweight and breathable, it fits the legs well and quickly absorbs sweat from the legs. 3Gradual decompression design, which can decompress in stages, gradually contract muscle flaps, repair venous semimembrane. 4Made of high quality polyurethane fiber material, soft and skinfriendly, won't cause any discomfort to your skin. 5Stockings are elastic and will not leave any marks on your legs even if you wear them all day.