Personalized Big Bro Siblings Cute Brother Youth T-Shirt. Big Bro boys design has hipster style arrows for the Big Bro and comes on a Youth T-Shirt - Heather brother announcement. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.