Personalized Big Brother Women's V-Neck T-Shirt. Big Brother! A cool T-Rex big brother dinosaur stomps around letting everyone know he's the king! Fun gift for any big 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