100% Polyester Button closure Hand Wash Only GREAT SUN PROTECTION: This sun UV protection hat features a floppy wide brim and UPF 50+ sun protection, which can block 98% of harmful rays; 3.35" large brim provides a perfect shade to your face, eyes, neck and ears. Whether you take on an outdoor activity or work outside, this hat will protect you from sun burn better. 100% a must have if youre an active outdoor women that takes skin care seriously. HIGH QUALITY MATERIAL: Womens ponytail sun hat is made of high quality quick drying polyester, skin-friendly, lightweight, breathable to wear. Mesh layers greatly promote air circulation and allow for moisture and heat to easily escape these hats; inner sweatband removes sweat from eyes and face; keep you cool and comfortable during the hot summer. PONYTAIL SUN HAT: Comfortable ponytail sun hats combine classic and unique style, and gives so many conveniences to ladies with long ponytails or buns. It can easily put your hair through the hole and keep it off your neck. No more shackle for those who work outside or ladies who are outdoor sports enthusiastic. Buttons on the side that can hold up the sides for a different style, so popular with the women. ONE SIZE BEST FITS: Casual style sun summer hat, snug and cozy fit. Hat Circumference: 21"-23", Hat Height: 4.33", Adjustable elastic buckle at the back of fishing hat is customized to fit women's head perfectly. Chin strap is adjustable and prevented loss of the uv protection bucket hat from blowing off even in the windy conditions. FUNCTIONAL & PRACTICAL: This wide brim sun hat for women is foldable and packable, easy to carry in your backpack, while still maintain the brim shape when wearing. Perfect for beach, pool, park, fishing, hiking, camping, travel, hunting, safari, golf, gardening, kayaking, or any outdoor sports and activities. You can wear this sun hat to everywhere you want in the summer, and you will get a lot of compliments on it.