Personalized Sound Mixer Vintage Classic Women's V-Neck T-Shirt. Authentic Sound Mixer Women's V-Neck T-Shirt - Kelly Green has Sound Mixer a real classic vintage occupation logo. 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