Personalized Physics Oval Long Sleeve T-Shirt. Physics text in a in an oval of warm colors is a fun science design for physicists, teachers and students at back to school, graduation, birthdays and holiday 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