S/M fits most kid sizes 4-7, L/XL fits most kid sizes 8-10.
Small fits most kids 4-6, Medium fits most kids sizes 6-8, Large fits most kid sizes 8-12
Onesize (OS) fits most sizes 0-10/12, Plus (P) fits most sizes 10-20, Extra Plus (EP) & Extra Plus 2 (EP2) fits most sizes 20+.
92% Polyester 8% Spandex
*Product color and quality as seen on a monitor may vary slightly compared to actual items due to photography lighting conditions and individual screen color calibration.