HASLRA Toe Socks Various Types 2 Pairs 90%Cotton 5%Polyurethane 3%Span 2%polyester No show, fake socks Medium - Men's shoe size (6 - 9), Women's shoe size (7 - 10) Large - Men's shoe size (9.5 - 12), Women's shoe size (10.5 - 13) Excellent stretch, Spandex for better fit, Superior moisture management Premium socks, Made in Korea,