Personalized Best Step Mom Ever Women's V-Neck 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. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit