éEric Javits developed this product to provide maximum sun protection for the face and neck. This visor packs easily for travel. Adjustable Velcro? Closure in back. Inner terry forehead pad detaches for washing. 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. Brim Span: 3.25"é