This is a UPF 50 Hat for Premium Sun Protection. What is UPF protection? Follow this link for more information! 

The Jeanne Simmons tweed roll up visor is a great style to take with you on the go and offers great shade with a 4.5" brim. It is constructed of 65% Paper, 15% Polyester and 20% Cotton with a UPF of 50 providing an excellent sun protection built directly into the material. It is very versatile for packing and can either lay flat or be rolled up with an elastic band that is conveniently attached. The hat is adjustable with a velcro closure at the back.