Personalized 2nd Birthday Owl Women's V-Neck T-Shirt. Whether you're planning a 2nd birthday party or simply looking for a unique gift, our 2nd birthday Owl design products are the perfect choice. 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