Personalized 2nd birthday T-Shirt. Make your child's 2nd birthday extra memorable with our charming and playful designs. Whether you're shopping for a 2nd birthday girl or boy, our collection has something for everyone. Shop now and make their 2nd birthday celebration one to remember! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.