Personalized Best Principal Ever School T-Shirt. Back to school gift for principal with retro design on a T-Shirt - White for an elementary or high school principal. 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.