Personalized I'm Five Comic Book Women's V-Neck T-Shirt. Pow! Cool! Ka-Boom! I'm Five! Cool comic book style birthday gift for any five year old superhero's 5th 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