A classic fedora silhouette in Squishee straw, banded in grosgrain ribbon. Elasticized inner band fits most. Lightweight and packable. Blocks 95% UVA/UVB rays. Look your best while you enjoy the sun! Independent testing in accordance with AATCC (American Association of Textile Chemists and Colorists) test methods have determined this product's effectiveness for blocking ultraviolet radiation as well as UVA/UVB radiation. This product was awarded the highest rating of 50+ UPF by independent testing. To learn more about AATCC testing, go to www. aatcc.org. Note: Due to the ventilation weave of this item, tiny areas may provide less than 50+ UPF.