Personalized Breast Cancer Walk Little Sister Women's V-Neck T-Shirt. Breast Cancer Walk For Little Sister Women's V-Neck T-Shirt - White with pink ribbon and lettering. If you have a younger sister fighting breast cancer, this is a great way to show support. 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