Winter Fall Thick Multiple Contrast Color Cotton Knitted Striped Socks 80% cotton Sizing Info (by shoe size): Medium {Women 6-9, Men 4.5-7.5} Large {Women 9-12, Men 7.5-10.5} 80% Cotton, 19% Nylon, 1% Lycra Super Soft and colorful! Perfect as a couple gift Machine wash gentle; Cool dry