UPF50+ Sun Protection: This sun visor blocks more than 98% of harmful UV rays and protects your face and eyes from sun damage. It also has a large brim that enhances the reflection of light and provides extra shade.Adjustable Sizing: The elastic band with hook and adjustable fastener closure allows you to customize the fit of the hat according to your head size and comfort. It fits head sizes between 55-58cm/21.65’‘-22.83’', US Size: 7-7 1/4.Made for Outdoor Activities: The ice silky sweatband wicks away moisture and keeps your head cool and dry. The sun visor also has a built-in styling filament that lets you design different hat shapes and prevents it from folding in the wind. It is ideal for golf, tennis, beach, hiking, camping, gardening and more.Travel Friendly Sun Visor: This sun hat is foldable and easy to pack in your bag or suitcase. It can be rolled up without losing its shape and is convenient to carry around. It is also lightweight and durable, making it a great travel companion.Stylish and Versatile: This sun visor comes in various colors to match your outfits and preferences. It has a simple and elegant design that suits any occasion and season. You can also wear it with your hair up or down, as it is also ponytail-friendly.