Ori by Straw & Wool (check sizing)
100% Austraillian wool
3 inch brim
4in crown height Adjustable cotton sweatband
Hat Runs Large Ori Collection Adjustable Sizing Chart
Medium: 57 - 55 cm
Large: 59-57 cm
XL: 60-59 cm
2XL: 61-60cm
(first number is the actual size, second is adjusted to the smallest setting)