Personalized Big Brother Superhero Women's V-Neck T-Shirt. Big Brother Superhero! The big brother looks out for his younger siblings, just like a true superhero should. Great gift for any super bro! 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