Personalized Super Stepmom Toddler T-Shirt. Super Stepmom! Mild-mannered stepmother reveals her hero identity of Super Stepmom! Great Mother's Day gift for any step mom. 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.