Complete your uniform with these cardinal solid color acrylic all sport team Socks. These solid color knee high socks are great for soccer, volleyball, softball & more. Knee High Length. Constructed of high-bulk acrylic, nylon, polyester and elastic blends. Available in SMALL (fits girls shoe size 13-6, Boys shoe size 9-4, Ladies shoe size 3-6), MEDIUM (fits girls shoe size 6-9, boys shoe size 4-9 or ladies shoe size 6-9), LARGE (fits men's shoe size 8.5 to 12 or Ladies shoe size 9-13)