Personalized Don't Tread On Me Women's V-Neck T-Shirt. Don't Tread On Me. The Gadsden flag, with coiled rattlesnake, symbol of American independence. Great gift for anyone who loves freedom. 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