Personalized Big Bro Arrow Native Boys Brother Announcement Youth T-Shirt. Big Bro boys sibling Youth T-Shirt - Heather with cute trio of tribal arrows for a new brother. 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.