Personalized Cinco De Mayo Westies Women's V-Neck T-Shirt. Cinco de Mayo art featuring Westie Terrier dogs by children's book Illustrator and Author, Kim Niles. 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