HQcustomz Liquid Rainbow Custom Nike Elite Socks Made with Dri-Fit fabric helps keep your feet dry and comfortable Small - (Youth Shoe Size 3-5) (Women's Shoe Size 4-6) Medium - (Men's Shoe Size 6-8) (Women's Shoe Size 6-10) Large - (Men's Shoe Size 8-12) (Women's Shoe Size 10-13) Xtra-Large - (Men's Shoe Size 12-15)