Personalized 1st Birthday Alligator Jungle Women's V-Neck T-Shirt. This fun green alligator 1st Birthday Women's V-Neck T-Shirt - Hot Pink with I'm One slogan in an orange speech bubble. 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