✔Material: The sun hat is made of quick-drying, breathable polyester, soft and lightweight, waterproof and quick-drying, and both sides are made of breathable mesh panels, comfortable and durable (The sun hat is rolled up in a bag, you can put a weight on it for a while to flatten it.） ✔ONE SIZE FITS MOST: Casual style sun hat,snug and cosy fit.Adjustable Hat Circumference: 21"-23",Hat Height: 4.33",Brim Length: 3.35".One size is suitable for most women. In addition,the hat is equipped with an adjustable chin strap for a windy conditions. ✔Modern Design: Fishing hat with a ponytail hole is specially designed,convenient for women who have long hair. Foldable side snaps also allow you to wear the hat in different ways.This sun hat with rear adjustable elastic drawstring design, allows you to fixing the sun hat especially in windy days, the inner has moisture wicking sweatband and two-side mesh on the hat provide better feeling while the wicking fabric in the crown keep you cool and dry. ✔Breathable & Packable: This beach hat is breathable design,together with the high quality breathable fabrics we use,allows for moisture and heat to easily escape these caps,your head stays ventilated even on the hottest and most humid days.Sun hat can be folded into smaller ones, which is very convenient to put it into your bag and easy to carry. ✔UPF50+ Sun Protection: 3.8 inch women wide brim beach hat will provide the optimal protection against harmful UV rays and effectively protect your skin from sunshine,shade your face and the back of your neck, Bring you unprecedented feelings and beauty. ✔Perfect for Summer: Casual stylish sun hats are perfect choices for outdoor, beach, gardening, fishing, safari, camping, hiking, hunting, pool, travel, climbing, mountaineering, boating, golf, etc. This sun hat will be your staple hat for the entire summer!