The San Sebastian is made of fine paper straw. The band is a 1" grosgrain ribbon with a bow, capped with a round Two Roads crest pin. It also has a snap brim, allowing you to easily wear the brim up or down. It features a moisture-wicking, padded sweatband for comfort, & is fully adjustable to fit your head perfectly. HAT SIZE CHART 55 57 59 61 63 Size S M L XL XXL Inches 21 1/2" 22 1/4" 23 23 7/8" 24 5/8" Fitted Size 6 7/8 7 1/4 7 1/2 7 5/8 7 7/8