Personalized Best Step Mom Ever Toddler T-Shirt. Best Step Mom Ever! If your step mom is a superhero, then this is for her! Comic book style mother's day gift for any super 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.