Personalized Baseball Breakthrough Newborn Layette. A baseball crashes through, cracking the surface and sending pieces flying. Cool gift for any baseball fan! 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