The Planets socks from Sock It To Me are now available in our unisex STRETCH-IT wide calf size that can stretch up to 21 inches in circumference without distorting the graphics. This Design-A-Sock Contest winner is out of this world. 55% polyester, 43% cotton, 2% Spandex. Made in South Korea. Approximately fits up to women's shoe size 12 and men's shoe size 13.