Personalized Mommy's Little Cowboy T-Shirt. Shop our Mommy's Little Cowboy collection today and find the perfect gift for the little cowboy in your life. Whether you're shopping for a baby boy or a toddler, our selection of cowboy-themed apparel and gifts is sure to delight. 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.