Classic Muscle Cars design. "I'm Not Old I'm Classic" with a vintage muscle car is a quirky design for any old person who is a vehicle addict and loves classic cars. Grab this vintage muscle car design if you are an aging, antique grandpa. This vintage car design is a great birthday, Christmas and Thanksgiving gift for grandfather, father, husband, boyfriend, mother, wife and any lover of old vehicles. Lightweight, Classic fit, Double-needle sleeve and bottom hem