Personalized Triangle Egghead Long Sleeve Creeper. An egghead with a triangle is a cute musical design for percussion musicians, students and teachers at back to school, marching band season, birthdays, holidays and graduation. 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.