Personalized Chemistry Basic Long Sleeve T-Shirt. Funny, joke Long Sleeve T-Shirt - White for chemists and scientists with beakers and bubbling experiment graphic says You're A 10 Maybe On The PH Scale Because You're Basic. Perfect for geeks and nerds at the laboratory or office party. 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