Personalized Daddy Worlds Best Referee Women's V-Neck T-Shirt. My Daddy is the Worlds Best Referee Women's V-Neck T-Shirt - Pink cute childs Fathers Day gift. 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