Personalized Trombone Player Marching Band Joke Long Sleeve Creeper. music lessons or band camp idea for the trombone player with retro look style and instrument silhouette 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.