80% cotton 15% polyester 5% spandex Stylish and fun designer novelty socks - for dress or casual! Comfortable and durable 80% cotton, 15% polyester, 5% Spandex blend fabric One Size Fits All - sized for 10-13 men's sock (generally US men's shoe size 8-12) Great for yourself or for gifts! Machine wash warm with similar colors. Use only non-chlorine bleach when needed and tumble dry medium