Personalized World's Best Nana Women's V-Neck T-Shirt. World's Best Nana! Great Mother's Day gift for your Nana, the world's best Nana! 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