The perfect pair: A Jimmie Johnson youth t-shirt and a Jimmie Johnson youth cap for one fabulously low price. This is the same quality that you've come to expect from trackside brand Chase Authentics. The Jimmie Johnson kids shirt is pre-shrunk, 100% cotton and is decorated with Jimmie Johnson's name and car No. 48. The slouch fit cap has an adjustable velcro closure and is heavily embroidered with the No. 48 on the front.