Personalized World’s Best Electronic Technician Long Sleeve T-Shirt. Electronic Technician Long Sleeve T-Shirt - Black has cool sports style logo that says World’s Best Electronic Technician on a great occupation gift idea or retirement gift. 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