Personalized Astronaut Birthday Women's V-Neck T-Shirt. An astronaut floating in space surrounded by planet balloons and a rocket spaceship holds a birthday cake. Cute birthday gift for your little astronaut! 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