Material: Paper Straw, lightweight and breathable. Must-have Foldable and Packable Sun Visor: You'd love to use this handy sun hat everyday to block the sun off your face and neck. Convenient to roll up and put away the sun-visor-hat then throw it into your daily hand bag, beach bag or suit case. Unroll it when you need a sunlight blocker to save you with no worry of crease of hat. Wide-brimmed Sun Visor Hat: The brim is wide enough (4.9") to offer you the maximum sun protection without hindering vision or conflict with the shoulders. Great for walking dogs, swimming pools lounging, car driving, gardening, beach vacations, cruise, sunny travels or other outdoor activities. Hair-up Approved: Stop flattening your hair into a nasty sweaty cap. Try this Airy Topless straw hat with your bun ponytail up. No more muss of your hairdo. Adjustable Size for Most Ladies's Heads: Hook and loop fastener for comfortable fit. Recommendatory Head Circumference - 22"-23.2".23