Personalized Little Brother Astronaut Women's V-Neck T-Shirt. Little Brother Astronaut is floating out in space and has grabbed on to a bright star. Cute gift for any 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