Material: 100% polyesterSize: 55CM-59CM (adjustable), hat: 7CM, hat height: 9CM.Product performance: Due to the special properties of the flat cover, it cannot be bent freely. The top of the cover is reinforced and the Oxford lining has natural comfort and a sweatband inside. It absorbs sweat and moisture, fits your head, adjusts the buckle design on the buckle, and adjusts the size of your hat. The vent design is not sultry, lightweight and easy to carry.Applicable scenarios: daily, outings, sports, outdoor activities, travel, etc.[Washing method] We recommend hand washing.Are you looking for a cool gift for your baseball loving friends?These mens womens hat are suitable for running, casual outings to go to the beach, to work, to the club, to the mall or an everyday wear.