Personalized Got Chemistry Youth Long Sleeve T-Shirt. Youth Long Sleeve T-Shirt - Red with "I've got chemistry" in rough text is a humorous academic subject design with a double meaning. Fun gift to your charming chemist, teacher or student at back to school, birthdays, holidays and graduation. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)