Hurley Men's One and Only Black White Hat Flex Fit 63% Polyester/34% Cotton/3% Spandex Imported Machine Wash Hurley apparel One and Only Flexfit MHA0002190 BKW L/XL =22 3/8-23 7/8(Head Size in inches) /7 1/8-7 5/8 (Numeric size in inches)