Personalized Sock Monkey 1st St. Pats Newborn Layette. Newborn Layette - Black with an adorable smiling green sock monkey in stripes and polka dots holding a shamrock. He says I'M SO CUTE IT MUST BE MY 1ST ST. PATRICK'S DAY. Graphics by JW Illustrations. 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