Personalized I Love Math Long Sleeve T-Shirt. I love math text with an egghead juggling numbers is a funny gift design for students and teachers at birthdays, graduation, holidays and back to school. 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