Snug and cosy, fully lined organic sherpa hats with handy covers and ties to keep little ears warm. Cm sizes below are the corresponding hat size.  Fabric: 100% organic cotton Little Green Radicals Sherpa fabric is made from 100% organic and unbleached cotton. When cotton is harvested, little pieces of leaves or bark get attached to the cotton which is normally removed through treating, dyeing and bleaching the fabric. A Little Green Radicals want to keep Their cotton as natural as possible and not treat it with any nasty chemicals that aren't kind and gentle on your child's skin, you might notice tiny specks in the fabric which are characteristic of cotton in its natural form. These specs can easily be removed with a fine comb, or simply with your fingers. We hope you love this natural, snuggly sherpa as much as we do.