Constructed from durable waxed shelter cloth, the Field Hat is the perfect match in all conditions. An unlined crown allows the Field Hat to be packed for travel, and a 2.5" brim provides 360-degrees of shade. Finished with a leather hat band and eyelets for breath-ability. Please reference the size guide to find your perfect fit. Looking for a quick way to find the right size? Measure the interior circumference of a hat you already own and love. In between sizes? Take the larger of the two.