Personalized Worlds Best Physicist Women's V-Neck T-Shirt. Worlds Best Physicist Women's V-Neck T-Shirt - White a perfect gift for the best Physicist in your life. 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