Personalized Sweaty Gym Teacher Long Sleeve T-Shirt. Gym Teacher, if there is no sweat, you're not working hard with water drops is a a humorous design physical education teachers at back to school, birthdays, holidays and graduation. 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