Personalized Keep Calm Cinco De Mayo Newborn Layette. Cinco De Mayo Newborn Layette - Pink with colorful fiesta sombrero and KEEP CALM IT'S CINCO DE MAYO saying. 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