Personalized change the world girl t-shirt T-Shirt. Your little girl may be the baby that changes the world! Tell the world now so you can say, "I told you so!" 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.