Personalized White Tennis Racket Santa Hat Newborn Layette. A white tennis racket wearing a Santa hat is a funny gift t-shirt for tennis players, coaches and fans during the Christmas 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