* 75% Nylon, 25% Spandex * Machine wash, warm with like colors. Non chlorine bleach. Tumble dry low. * 2 firm surgical weight microfiber calf sleeves, 18-24 mm Hg. Worn by men & women. * Graduated compression relieves tired legs. Non binding welt, top & bottom. * Relief for strained calf muscles. Two way stretch design provides extra comfort. * Provides warmth to aid in blood circulation. Helps the process of healing of calf muscle. * FOR SIZING MEASURE CALF CIRCUMFERENCE.