Personalized Motor Head Youth T-Shirt. Motor head in broken text around an engine is a humorous gift design for auto mechanics, machinists and vo-tech students at back to school, birthdays and holidays. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.