GOOD QUALITY MATERIAL: made of high quality polyester fabric,light weight,breathable,quick dry and comfortable to wear.Not only provide UPF 50 protection for sun burn at outdoor activities, but also a great precaution at rainy days. ONE SIZE FITS MOST: Hat circumference: 21-23.2inches. Casual style womens summer sun hat. Adjustable elastic buckle at the back of fishing hat fits most adult head sizes. GREAT DESIGN: long chin strap with cord-lock lets you customize the fit and keeps the hat from being blown away on windy days. The ponytail opening at the back is considerate design for women. easily roll it into a compact size, which is very convenient to put it into any purse, backpack or handbag. 360° PROTECTION: Comes with face and neck flap, full protection from the blazing sun. Extra wide brim provides wider shade but won’t block viewing. MULTI-FUNCTIONAL: Providing multiple wearing options to fit different needs. Light weight design, easy to carry around. Perfect for all kinds of outdoor activities like hiking, gardening, fishing. With high quality comfy, lightweight, suncreen and quick-drying polyester, womens summer hat can be folded while still maintaining its shape, also it is super convenient to put in your bags and absolutely saves lots of space.