Mocofo Mens 3 Pairs No Show Cotton Socks Non Slip 95% cotton 95% Cotton,5% Spandex These socks are sold on Amazon exclusively by Mocofo. Three pairs no-show and moisture-wicking socks featuring non-slip silicone grip at heel. Fit U.S. men's shoe sizes 9-11/11-14. Available in White, Black and Gray.