This is a UPF 50+ Hat for Premium Sun Protection. What is UPF protection? Follow this link for more information! 
https://www.hatsunlimited.com/what-is-upf/

The Kenny K Safari Resort Hat is a handsomely crafted toyo straw hat with a simple yet elegant black grosgrain band and comes topped off with the signature Kenny K logo pin. This lightweight comfortable straw hat features a brim of 3" and a crown 4".