Made of pure cotton - with a touch of lycra for added stretch and comfort, our Cotton Knee High Socks are ideal for all-day wear with any casual footwear. Designed for gentle support, these easy-care ladies' socks are made to last - and feel great. Pack of 3 pairs of socks. Multi pack contains one pair each of White, Black, and Ivory socks. Size 9 fits women's shoe size 5-7 Size 10 fits women's shoe size 7.5-9 Size 11 fits women's shoe size 9.5-10.5 Size 12 fits women's shoe size 11-12.