Some people think dirt racers are just a bunch of country hicks.  They have no idea how much high level engineering goes into everything we race... from karts to sprints.  Teach somebody a math lesson with this standard weight, 5.4 oz, preshrunk, 100% cotton t-shirt featuring the design on the front or back and your choice of logo on the other side.
NOTE: The product image shown in your shopping cart may not match your color choice. That's normal. The text description to the right of the image on the ckeckout page will accurately define your order.