100% Polyester Button closure Hand Wash Only GREAT SUN PROTECTION: This sun hat features a wide brim and UPF 50+ sun protection, which can block 98% of harmful UV rays. The 3.35-inch brim provides shade for your face, eyes, neck, and ears. Ideal for outdoor activities or working outside, this hat helps protect against sunburn. A must-have for women who enjoy outdoor activities and value skin protection. HIGH QUALITY MATERIAL: This women's sun hat is made of high-quality, quick-drying polyester that is lightweight, breathable, and comfortable to wear. Mesh panels enhance airflow and help moisture escape, while the inner sweatband helps keep sweat away from your eyes and face, keeping you cool and comfortable in hot weather. PONYTAIL SUN HAT: This ponytail-friendly sun hat combines a classic look with practical design, making it ideal for women with long hair. The back opening allows you to easily thread your ponytail or bun through, keeping hair off your neck. Buttons on the sides let you adjust the brim for a customized look. Popular among women who work outdoors or enjoy outdoor sports. ONE SIZE FITS MOST: This casual sun hat offers a snug and comfortable fit. Hat circumference: 2123 inches. Hat height: 4.33 inches. An adjustable elastic strap at the back ensures a secure fit. The adjustable chin strap helps prevent the hat from blowing away in windy conditions. FUNCTIONAL & PRACTICAL: This wide brim sun hat is foldable and packable, making it easy to carry in a bag without losing its shape. Suitable for beach, pool, park, fishing, hiking, camping, travel, golf, gardening, kayaking, and other outdoor activities. Wear it anywhere during summer and enjoy both comfort and style.