Features: The combination of empty top hat and a fan effectively prevents UV ray and hot weather, keeping head cool and comfortable. This hat is consist of good-quality materials, lightweight and comfortable, fashionable and minimalism. The hat is adjustable in size and suitable for person with different head sizes. Suitable for outdoor enthusiast, traveler, fishermen, and others who need to stay in the sunlight for a long time Suitable for outdoor activity such as hiking, fishing, camping, it can provide users with sun protecting and cooling effects.. Specifications: Color:Five Choices Dimension:27×26cm/10.6-10.2in Component:ABS Package Includes: 1pc Sun Protection Hat note: Please allow 1-2cm errors due to manual measurement,pls making sure that you do not mind before you order. Due to the differences between different monitors, the picture may not reflect the actual color of the item.