Personalized Act My Age Toddler T-Shirt. Give me one good reason to act my age! Just because you've grown old doesn't mean you have to grow up! Fun birthday gift! 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.