Personalized Irish Flag St Patrick's Shamrock Women's V-Neck T-Shirt. Irish flag Women's V-Neck T-Shirt - Pink for St. Patrick's Day has shamrock clover in green. 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