77% Acrylic, 14% Nylon, 6% Polyester, 3% Spandex / Available in Youth size 6-8-1/2(fits youth shoe size 12-4 or ladies shoe size 4-5) OR Adult Size Medium 9-11 (Fits Ladies Shoe Size 5-10 or Men's 4½ to 8½) OR Adult Size Large 10-13 (fits ladies shoe size 11-12 or Men's shoe size 9 -12½) / Cushioned Acrylic Foot with Heel and Toe Construction / Made in the USA / Knee high length is a great look for sport teams or for everyday use.