"Moretz ""CoolMax Lo-Cut"" sock is constructed with DuraSpun Acrylic which is a wicking fiber and keeps your feet drier and more comfortable while participating in your favorite sport. Welt top construction for comfort and fit. Fully reciprocated heel and toe for perfect fit. Cushioned sole for shock absorption. Flat-knit construction reduces bulk and conforms to the foot. 2 Pair Package Content: 74% CoolMax Polyester, 9% Cotton, 14% Nylon, 2% Polyester,1% Lycra Spandex"