Material: high-quality polyester fabric. Soft and moderate. Durable and comfortable. Size: hat circumference 57-60cm, brim 7cm, hat height 11.5cm. Style features: 1. Patriotic pattern design: The classic hat shape is crisp, and the unique national flag print highlights the patriotic sentiment. It looks young and energetic when worn. 2. Adjustable buckle: The adjustable buckle design on the back can freely adjust the size of the hat circumference. Practical and suitable for all seasons. 3. Comfortable and breathable: The hat is crisp and fashionable, and the top of the hat is reinforced. A sweat-absorbing belt is added inside. The air vent design prevents stuffiness, is light and not easy to deform, and is easy to carry. Applicable scenarios: Very suitable for daily life, sports, outdoor activities, travel, etc. Protect your skin from UV damage with this comfortable hat. Very practical and suitable for all seasons. Applicable people: Unisex. Washing Instructions: Hand wash, do not bleach.