HLTPRO Elite Performance Compression Socks..S/M..New..Unisex. Red/White Stripes. These compression performance socks are the most scientifically Advanced socks on the market today. Featuring moisture wicking medical grade compression and zoned breathability panels for maximum comfort. These socks provide maximum muscle support, enhanced performance and accelerated recovery. These socks fit calf sizes 9 inches to 15 inches. They fit men’s shoe size 6 to 9 1/2 and women’s shoe sizes 7-10.5 Condition is “New”. Shipped with USPS First Class.