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/

Roll up this tweed visor and take it anywhere. Made from 75% paper braid and 25% polyester it is a comfortable and durable hat that has a UPF of 50! There is a comfortable sweatband and Velcro closure for a sure fit.

Brim:

• 3 ½"