Personalized Cinco De Mayo Fiesta Sombrero Newborn Layette. It's time for Cinco de Mayo and this fun Mexican Sombrero Newborn Layette - White gift is perfect. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months