Personalized Extra Dimensions Newborn Layette. I'm not daydreaming! I'm exploring extra dimensions, in crooked text, is a humorous design for scientists and engineers at back to school, birthdays, holidays and graduation. 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