71% Acrylic, 21% Nylon, 7% Polyester, 1% Spandex / Available in Adult Size Medium 9-11 (Fits Ladies Shoe Size 5-10 or Men's 4½ to 8½)/ 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.