●95% Cotton 5% Spandex ●Size Reference:Small=US 10(US 8-10Years) Medium=US 12(US 10-12 Years);Large=US 15(US 13-15 Years),Young Teens Boys Girls Loose Relaxed fit ●Feature elastic waistband with adjustable drawstring, two side seam pockets and loose fit,close fitting feeling cozy and free movement ●Cute and Colorful:Kids will love the cute prints and fun colors that add a bit of cheer to theirs nightwear,skin friendly made makes feel cozy while sleep in or lounge. ●Perfect for relaxing indoors during the cool weather months, they are work great as both lounge pants and as pajama bottoms for sleepwear.