Personalized Swimming Nut Text Newborn Layette. Swimming Nut text with a funny acorn nut wearing goggles and flippers is a humorous swimming gift design for swimmers and divers during summer swim season and at back to school, birthdays and winter holidays. 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