Personalized Don't Tread On Me Newborn Layette. Don't Tread On Me. The Gadsden flag, with coiled rattlesnake, symbol of American independence. Great gift for anyone who loves freedom. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months