Sleeptime is a breeze in these shorties. Soft for baby and stress-free for parents, they’re made from 100% organic cotton and have a zipper for easy in-and-out and diaper changes. Short-sleeve arms and leg openings are designed to keep baby cool and comfortable. * 100% organic cotton * zipper cover at neckline * full length zipper * lead, phthalate, and flame-retardant free * GOTS certified; the leading environmental standard for organic textiles * machine wash; tumble dry low