100% Australian Wool All our hats come with a removable chin strap Please measure around the circumference of your head where you would like your hat to sit prior to purchase to ensure our hats fit you perfectly. Brim Width Height 48cm 5cm 8.5cm (Small: 6 Months - 2 Years old) 52cm 5cm 9.5cm (Medium: 2 - 4 Years old) 55cm 6cm 9.5cm (Large: 4 - 9 Years old) 57cm (Teens to Adults - Most common size for women)Please note: All measurements are approximate & may vary by mm If In doubt or between sizes, in most cases we recommend sizing up and using our chin strap for comfort. Always lay the hat flat, steam to reshape Our wool is 100% Australian wool, the wool naturally regulates temperature which means warm in the winter time and cool in the summer time.
