These opaque knee-high socks are made with Wear-Tested™ fabrics that hold up to whatever each new school day brings. Our socks have a snug, comfortable fit designed to hold their shape wash after wash. Made of 98%micro-fiber nylon/ 2% Spandex. Small - fits girl's shoe size 9 - 1 Medium - fits girl's shoe size 12 - 6 Large - fits ladies sh...