Over-the-knee comfort from high-tech fabrics makes the tall Proforma Sock a performer. A friction killing, moisture wicking monster of a sock. Duraspun fiber for friction absorption, moisture management and durability. Ribbed arch and ankle support to help minimize sock movement. Extra padding on heel, toe, and shin. Cushion-loop construction inside for maximum comfort. Elasticized top. Anti-bacterial treatment applied for odor resistance. Contents: 65% Duraspun, 15% Nylon, 15% Acrylic, 5% Spandex.