Personalized Physics Heart Dark Products Women's V-Neck T-Shirt. Physics text with a large P and a heart dotting the i in physics is a fun gift design for students, teachers and physicists at 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