Personalized Science Rocks Women's V-Neck T-Shirt. Science Rocks text with three rocks holding a chemistry beaker, magnify glass and a telescope is a humorous science design for back to school, holidays 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