Personalized Chemistry Basic Women's Plus Size T-Shirt. Funny, joke Women's Plus Size T-Shirt - Vintage Red 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. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)