Personalized Sweaty Gym Teacher Toddler 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. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.