The Carters Child Of Mine Baby Boy Sleep N Play One Piece in Daddy’s Rookie Size Newborn is a cozy and stylish baby outfit striped in red, white, and blue. Made from 100% cotton, this one-piece suit features a zip closure and a cute baseball theme with embroidered foot art and a daddy's rookie graphic. Ideal for all seasons, this machine washable outfit is perfect for keeping your little one comfortable and looking adorable.