PEDS Women's Coolmax Quarter Sock with Massaging Bar Cushion (9 Pair Pack) 37% Coolmax Polyester/37% Cotton/23% Polyester/3% Lycra Spandex Imported Machine Wash Coolmax fabric moisture management technology helps keep feet cool and dry Uniquely designed massaging bar cushion channels make these socks comfortable without the added bulk Lycra fiber offers the ultimate in comfort and fit