Personalized Little Sister Comic Book Women's V-Neck T-Shirt. Little Sister! Pow! Cool! A little sister is like a superhero, not just a sidekick. Cute Women's V-Neck T-Shirt - Black for any little sis! 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