Sun Beach Hats for Women with Ponytail Hole Straw Summer 。*Color: Dark Grey *UPF80+ UV Protection: Engineered with UPF80+ 100% nylon fabric, this sun hat features an extra-wide brim (3.5\" ) that against harmful rays. Perfect for extended hiking adventures or beach days, the scientifically tested material blocks 99% of UVA/UVB while maintaining featherlight 6oz comfort. *Style Meets Function: Master two looks with our convertible hiking hat - snap up the sides for a trendy cowboy silhouette or wear fully extended for maximum coverage. The innovative ponytail hole accommodates thick braids and high buns, while the 360° adjustable inner band ensures secure fit for head sizes 21.6\"-23\". *All-Weather Warrior: Featuring a waterproof nano-coating and quick-dry technology, this breathable UV protection hat withstands sudden mountain showers and ocean sprays. The mesh crown promotes airflow circulation, reducing scalp temperature by 8°F during intense outdoor activities. *Adventure-Ready Design: Compact folding design shrinks to 7\" diameter for bag storage. The adjustable chin strap stays put in 35mph winds, while the reinforced brim maintains shape after 200+ folding tests - ideal for backpacking and watersports.