Personalized Cowboy 1st Birthday Western T-Shirt. Our cute and stylish cowboy-themed apparel and gifts are the perfect way to mark your baby's first year. With a range of options to choose from, you can find the ideal birthday gift or outfit for your little one. 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.