Personalized I'm One Superhero Newborn Layette. I'm One! Superhero toddler in a red cape and diaper is ready to fight crime and nap time. Cute gift for any superhero one year old's 1st birthday. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months