Personalized Mechanical Soccer T-Shirt. A soccer ball with panels of gears is a unique gift design to tickle the funny bone of mechanical engineers, mechanics, soccer players and fans at birthdays, holidays and World Cup Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.