Personalized Music And Math Long Sleeve T-Shirt. Music builds the mind for math with the word music in musical text is a unique design promoting the need for music education. 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