Personalized Materials Scientist Worlds Cutest Women's V-Neck T-Shirt. Materials Scientist Women's V-Neck T-Shirt - Aqua occupation gift has pretty pink World's Cutest Materials Scientist logo. 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