This cozy Union Suit handily snaps in the back and inside of legs or zip up the front. Made with 100% ribbed cotton to fit snug with a flexible stretch! Our "Don't Wake The Bear" collection is perfect for the whole family!a 100% Combed Cottona 2 x 2 rib fabrica Contrasting Trima All over prints have zipper down front & snap at necka Spot Prints have snapped crotch and 3 snaps at back of neck a Snug Fittinga Preshrunk