Personalized Black Math Universe Toddler Full Zip Hooded Jacket. Math is the language of the universe text in black and white. Fun gifts for math lovers at birthdays, holidays, graduation and back to school. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.