Personalized Boys Math Long Sleeve Creeper. Boys rock at math in blue and black text is a fun design for students and teachers to promote enthusiasm for mathematics. Unique gift design for birthdays, holidays, back to school 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.