Personalized Mustache Mommy's Little Man T-Shirt. Our products are designed with the adorable mustache theme in mind, making them perfect for any occasion related to baby boys and moms. Embrace the mustache trend and show off your little man's style with our fun and charming designs. 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.