Page Title Created using list of NASCAR national series race tracks Created using list of NASCAR national series race tracks NASCAR has grown to become the second-most popular professional sport in terms of television ratings inside the U.S., ranking behind only the NFL. The checkered flag as become the symbol of this enormously popular racing world. Our checkered flag design is created using the full list of race tracks currently used by NASCAR as part of its Sprint Cup Series, Nationwide Series, and Craftsman Truck Series. MATERIAL - If you like your shirts softer, then upgrade to one of our Premium Blend shirts. With a 65% polyester/35% combed ring-spun USA cotton blend, these shirts not only have a much softer feel but also have a more stylish cut. PRINTED WITH PRIDE IN THE USA- All of our products are printed and shipped from Las Vegas, Nevada USA.