Personalized Nice Until Proven Naughty Newborn Layette. Nice Until Proven Naughty. Santa Claus is watching, but everybody needs a little breathing room. Funny Christmas gift for everyone, whether they're naughty or nice! 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