Personalized Promoted to Big Brother T-Shirt. Whether it's for a pregnancy announcement or simply to embrace their new role, this apparel is a great way for kids to express their excitement. Dress your child in these adorable outfits and let them shine as the big brother they are meant to be! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.