Personalized 1st Grade Back To School Women's V-Neck T-Shirt. Team 1st grade Women's V-Neck T-Shirt - Black cute first grade teacher or student back to school gear. 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