Personalized Number 1 Great Grandma Women's V-Neck T-Shirt. Great grandmother gift Women's V-Neck T-Shirt - Black with distressed design that says number 1 Great Grandma. 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