connectyle toddler boys girls fleece lined knit kids hat with earflap winter hat (blue+purple, m:1t-3t(18.5"-19.7")) connectyle please match with the actual size before purchasing. <br>size s: 17.3"-18.5" (44-47cm), suggested to 6m-12m<br> size m: 18.5"-19.7"(47-50cm), suggested to 1t-3t<br>size l: 19.7"-21.2" (50-54cm), suggested to 3t-6t