Personalized Math Counts Black Toddler T-Shirt. Math, the only subject that counts is a humorous math design with a double meaning. Fun gifts for mathematicians, students and teachers at birthdays, holidays, graduation and back to school. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.