Personalized Big Brother Superhero Toddler T-Shirt. Show off you're going to be a Big Brother or if you are already a big brother with this awesome superhero design. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.