UPF 50 PROTECTION：The sun hat with wide brim ensure you are protected from the sun UV rays. Size: One Size Fits Most the most adults Portable: Foldable, easy to carry or pack inside your purse, tote or backpack. Wide Applicable Occasion: Suitable for sun visors, daily wear, sports and outdoors such as Fishing, Hiking, Working Outside, Gardening traveling, Camping, Beaches and more.