Personalized Irish 1st Birthday Shamrock Long Sleeve Creeper. Cute it's my 1st birthday Long Sleeve Creeper - Black with green bulldozer and Irish shamrock clover for a little boy turning 1 in March. 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.