Personalized National Bike Month Biking Cyclist Women's V-Neck T-Shirt. Biking design has person riding a bicycle with quote that says May is National Bike Month on this Women's V-Neck T-Shirt - Black with distressed style 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