Women's Straw Wide Large Brim Floppy Flax Bow Bowknot Sun Summer Beach Cap Hat Material: Straw Brim Width: 15cm/5.9"; Hat Diameter: 48cm/18.8" Domed crown and large wide brim, very suitable to wear on the beach. It is foldable and easy to take when going out. it is wide brim which helps in sun protection.