Personalized Personalized 1st Birthday Boat Women's V-Neck T-Shirt. This fun personalized 1st sailboat Women's V-Neck T-Shirt - Pink makes a great gift idea for a girl or granddaughter's birthday. Make a custom gift idea for a 1 year old. 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