Personalized Mechanic Zombie Fighter Long Sleeve T-Shirt. Mechanic I fight zombies in my spare time is a funny gift design for auto technician gamers at back to school, birthdays and holidays. What would this world be like without them? 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