Personalized Little Elf 1st Birthday Women's V-Neck T-Shirt. Women's V-Neck T-Shirt - White for a little elf's 1st birthday with a polka dotted number one and snowy striped North Pole sign. Perfect for Santa's helper on his or her Christmas birthday. 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