Personalized Wavy Math Counts Long Sleeve Creeper. Math in wavy text and the only subject that counts in black and red is a humorous math design with a double meaning is a fun design for mathematicians, students and teachers. 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.