Make your holidays even more merry and bright with our Nicholas Santa Hat. Your Little could never be on the naughty list while wearing this lovable hat. - Made from 100% hand-knit acrylic. - All measurements laid flat, unstretched. If unsure, size up. SIZE CHART: Newborn 0-3 months: 14cm W x 15cm H Extra Small 3-6 months: 15cm W x 17cm H Small 6-24 months: 17cm W x 19cm H Medium 2-5 years: 18cm W x 20cm H