Personalized Boys Math Dark Products Women's V-Neck T-Shirt. Boys rock at math in blue and red 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. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit