*Sun UV-Protection: This new sun flap hat is made of quick-drying, waterproof breathable nylon fabric. With UPF 50+ feature, which block 98% of UV rays. Really protect your ears, neck and the back of your head from the scorching summer sun. *Fishing Hats Size: Casual style sun hat, snug and cosy fit. Head Circumference: 22"-23.2", Neck flap 9.4", Hat Height: 4.33 inch, Brim Length(widest place): 4.13inch, Chin Drawstring Length:13.58 inch. One size is suitable for most women. *Stay Cool: The brim is wide enough to shade your forehead. Inside of the bucket hat has a breathable mesh layer and moisture wicking sweatband, which will keep you cool & dry , even on the hottest and most humid days. Adjustable chin drawstring for a better fit and keep hat firmly in place, especially in windy days. *Considerate Design for Women: Fishing hat with a elastic ponytail hole in the back, great for women to pull the bun or ponytail through during summer days. The metal mesh buttons on both sides of the hat make it looks more special and stylish than most ladies outdoor hiking or fishing hats. *Foldable & Packable: Rolled up easy to carry in a bag and absolutely save lots of space. Whether you are out walking, hiking, fishing, camping, boating, travelling, gardening, sightseeing, on the beach,or working outdoors, this hat is the best fit.