Personalized Coolest Trombone Teacher Women's V-Neck T-Shirt. The world's coolest trombone teacher in snow capped text with a snowman playing a trombone is a funny design for teachers at birthdays and holidays. 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