"The light, breathable design of the Sunday Afternoons Flash Cap for Ladies makes it perfect for tennis, errands, or a sunny walk about town. Made from 100% recycled bluesign certified fabric, the cap boasts superior moisture wicking and a UPF 50+ rating (mesh fabric not rated). The wicking sweatband and stretch adjustable sizing enhance comfort. Reflective details and dark underbrim help get you noticed in low light while protecting your eyes in bright sunlight. The ponytail friendly Sunday Afternoons Flash Cap features a Sunglass Lock to keep glasses in place. 96% polyester/4% spandex body fabric; 100% polyester underbrim and lining; 91% polyester, 9% spandex sweatband. 2.75"" brim.Manufacturer style #: S2A04900B. 100% recycled bluesign certified fabric Superior moisture wicking UPF 50+ rating Stretch adjustable sizing Reflective details for visibility Dark underbrim Sunglass Lock to keep glasses in place"