Description:[Design description] Front area printing[Material description] 100% polyester[Product performance] The fabric is thicker, the hand feels harder, and the brim and eyebrows are harder. Due to the particularity of the flat-brimmed hat, the brim cannot be bent at will, the top of the hat is reinforced, Oxford lining, natural, comfortable and breathable, light and dry, with sweat-absorbent tape inside, Absorbs sweat and wicks moisture, fits well to the head circumference, adjustable back button design, freely adjustable cap size, strong practicability, available in all seasons, vent design, not stuffy, light and easy to change, easy to carry, stylish hat shape, 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 or machine[Special Note] This size data is normal due to different measurement methods. The error is within 1-2cm.