Anonymous Delivery The head part has a cool mesh structure. The removable face cover is washable, ensuring hygiene. Excellent breathability and quick-drying properties for comfort. Covers the face for complete UV protection. This year's sun is serious. Perfect for watching sports or picnics... OK Perfect for seaside walks or outdoor events... OK A versatile item that can be used throughout the year! It folds up small, so it doesn't take up much space in your bag. Color: Blue Size: Free Size (elastic back) Regarding the hats, the blue and pink ones have an elastic back for stretch and fit.