Personalized Santa Hat Tuba Women's V-Neck T-Shirt. A sousaphone wearing a Santa cap is a funny gift design for tuba musicians, music teachers and students in tuba choir, concert and marching bands at Christmas and the winter 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