Personalized Lil Bro Little Brother Mock Tuxedo Tux Newborn Layette. Cute Lil Bro Newborn Layette - Light Blue has bow tie mock tuxedo front little brother design for a new baby boy. 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