Personalized My 1st Racing Season Checkered Flags Long Sleeve T-Shirt. kids car racing themed rally flags with my 1st racing season slogan 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