Personalized I Am The Big Brotrher T-Shirt. With its cute and humorous message, this apparel not only brings smiles but also creates lasting memories. Capture the moment of anticipation and excitement as your child prepares to welcome a new sibling. Dress them in this adorable outfit and let them shine as the proud big brother they are destined 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.