Personalized I'm Four Nomenal Women's V-Neck T-Shirt. I'm Four Nomenal! Pow! Wow! Fourth birthday comic book style for your phenomenal little superhero. Great 4th birthday present. 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