Ralph Lauren Baby Boys' Buffalo Plaid Pajama Sleep Set Park Avenue Red Imported All items: 100% cotton. Machine washable. Top: signature embroidered pony at the left chest; contrasting Henley neckline; three-button placket; long sleeves with contrasting ribbed cuffs. Pant: elasticized waist; contrasting elasticized cuffs. Comes with a matching drawstring pouch.