Breathable and Skin-Friendly Material: This sun hat is crafted from high-quality, breathable straw and features a sweatband. The inner terry sweatband is made of polyester; it offers excellent moisture-wicking properties and naturally conforms to the contours of your head. Even in the stifling summer heat, it remains comfortable and pleasant to wear outdoors. Wide Brim for Superior Sun Protection: The brim of this hat is 14 cm wide. On one hand, this wide brim design effectively blocks the sun's rays, protecting your facial skin from excessive sunburn and sun damage. On the other hand, as a stylish accessory, it creates a slimming visual effect that refines your facial features. Open Top Design for Optimal Comfort: This sun visor features an open top design that accommodates all hairstyles. Whether you wear a ponytail, a bun, or a headscarf, you can wear this hat with ease. Additionally, this design keeps your head cool and prevents any feeling of stuffiness. Adjustable Size for Most Women: The back of this UV-protective hat features an adjustable hook-and-loop closure, adorned with a decorative bow, allowing you to precisely adjust the hat to your head size. The size is designed to fit most adult women. Each hat also comes with a windproof chin strap; you can adjust its length to ensure a secure fit, preventing the hat from blowing away in windy conditions. Rollable Straw Sun Hat: The material of this straw hat is soft, foldable, and lightweight, allowing you to easily roll it up and tuck it into your bag. You don't have to worry about the hat breaking or getting damaged; even if it wrinkles slightly, it easily returns to its original shape. Therefore, you can take it everywhere, whether you're shopping, camping, or riding. *Note: It is recommended to avoid leaving the hat folded or deformed for extended periods to prevent permanent deformation.* This means you can take it with you everywhere – whether you're shopping, camping, or riding. It is recommended to avoid leaving it folded for extended periods to prevent physical deformation.