Sizes: Youth Small (Ages 4-6 Height 3"4"-3"8"), Youth Medium (Ages 6-8 Height 3"8"-4"2"), Youth Large (Ages 8-11 Height 4"2"-4"10") * All-In-One Sock With Built In Shin Guard * Built In Foam Ankle Padding * Removable Shin Guard for Easy Washing * Machine Washable