Personalized My Hero Wears Cowboy Boots, I Call Him Daddy T-Shirt. Embrace the country boy charm with our range of cowboy-themed apparel and gifts, designed to bring a touch of the Wild West to your baby's wardrobe. Shop now and dress your baby in cowboy cuteness with our "My Hero Wears Cowboy Boots, I Call Him Daddy" collection. 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.