【Semi-Hollow Top Design】: The unique semi-hollow top structure of the sun hat can be tied in a ponytail, which is more suitable for long hair than the traditional full-wrap hat. 【Efficient Sun Protection】: Effectively block over 99% of UVA and UVB. 【Adjustable Hat Circumference】: Equipped with adjustable hat circumference, easy to adapt to different sizes of head circumference. 【Quick Drying Fabric】: Selected high quality quick-drying fabric, even if sweat or accidental water, it can quickly absorb moisture and sweat. 【Multi-Scenario Versatility】: Whether you are on a daily trip, gardening, beach holiday, outdoor hiking, fishing trip, this sun hat is the ideal companion.