The natural ease and comfort of 100% cotton- no elastic or synthetics. These Women's socks are made by one of America's most trusted names in footwear, in a full range of sizes for a custom fit. Assorted Pack contains 2 pair each of White and Black, 1 pair each of Light Grey and Navy. Multi Pack contains 1 pair each of white, black, navy, pastel pink, pastel blue, and natural. 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.