??ONE SIZE FITS MOST?? Suitable for head circumference 21.65-23.81. Sun hat with elastic back band for a snug and custom fit. It is easy to put a ponytail, braid or bun through the hole in the back, which is great as you can keep your hair off your neck and keep you cool and dry. Great gifts for mother, women, ladies. ??FULL PROTECTION?? 4 Wide brim sun hat with 8.27 Long neck flap protects you from all angles from the blazing sun. Summer hat is rated for 50+ UPF to protect against harmful UVA and UVB rays, providing complete UV protection for your face, ears and neck. Enjoy your summer vacation. ??COMFORTABLE & BREATHABLE?? Sun hats are made of high-quality soft nylon polyester fabric, which are skin-friendly, lightweight, waterproof and quick-drying. Adjustable chin strap prevents hat from being blown away on windy days. Breathable mesh vent on both sides let the breeze through very well, and built-in moisture wicking sweatband keeps your head cool and comfortable in hot summer. ??PACKABLE & FOLDABLE?? Fishing hat with neck flap for women is packable, crushable and flexible without loosing its shape, you can bring it anytime, anywhere as it folds up well, not consuming too much space in your bag. Always gets you ready for any adventure and outdoor fun! Please do not machine wash or brush wash. ??WIDELY USED?? Whether you are fishing, gardening, hiking, camping, traveling, hunting, boating, going to the beach, pool, safari or any outdoor sports and activities, outdoor sun hat can protect you from harmful UVA and UVB rays. No worries in the sun! Your perfect outdoor companion.