Personalized Christmas Letter M Santa Hat Alphabet Infant Romper. Cute Christmas holiday Infant Romper - Black with monogram M alphabet letter topped with a red Santa hat, great for a family photo. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)