Personalized Don't Tread On Me Long Sleeve T-Shirt. Don't Tread On Me. The Gadsden flag, with coiled rattlesnake, symbol of American independence. Great gift for anyone who loves freedom. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL