[Material description] 100% polyester [Product performance] The fabric is thicker, the hand feels harder, and the eyebrow plate of the hat brim is harder. Due to the particularity of the flat-brimmed hat, the brim cannot be bent at will, the top of the hat is reinforced, the Oxford lining, natural, comfortable and breathable, light and dry, with sweat-absorbent tape inside, Absorbs sweat and wicks moisture, fits well with the head circumference, adjustable buckle design on the back, freely adjustable cap size, strong practicability, available in all seasons, vent design, non-sultry, light and easy to change, easy to carry, stylish hat, long-lasting profile Shape, wearable [Applicable scenarios] Daily, outing, sports, outdoor activities, travel, etc. [Applicable people] Unisex [Washing instructions] It is recommended to wash by hand and wash less. Do not press and rub, not machine wash