Personalized Mommy's Little Cowboy T-Shirt. Whether it's for a special occasion or just for everyday wear, our Mommy's Little Cowboy collection is the perfect choice for parents who want to celebrate their little one's cowboy spirit. 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.