Personalized Best Teacher Ever Women's V-Neck T-Shirt. Best Teacher Ever! Pow! Ka-boom! If you know a teacher who is a superhero, this is a great gift for them! Let them know they are the best teacher ever! 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit