Personalized Baseball Skull Long Sleeve Creeper. Baseball Skull has a pirate skull and crossbones with the skull as part baseball and the bones breaking through. Great gift for any baseball or softball fan who also likes being a pirate! For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.