New height, same expert design—for your first run or your next marathon.running half calf socks size small 6-8 mens NEW WITHOUT TAG 3 pack running half calf socks : (1) 56% polyester 24% nylon 15% cotton (supima®) 5% elastane ; (2) 58% polyester 24% nylon 13% cotton (supima®) 5% elastane Left-Right Contoured Seamless Toe Y-Stitched Heel Strategic Zone Cushioning Honeycomb Arch Support Stay-Up technology Airflow Venting Hex Tec Our runners’ favorite just got a new height: Half Calf. Shorter than our standard calf, but still tall enough to give you a little extra support (and sweat wicking) through the legs—with left-right contouring for an expert-level fit on your feet.