Personalized Teacher School Subjects T-Shirt. Academic subjects spell out the word "Teacher" on T-Shirt - Athletic Heather and make a unique gift for teachers, tutors, professors and education majors for back to school, graduation and holidays. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.