The Ipanema Straw Rancher is an instant classic with its simple, yet bold high crown and 100% wheat. High crown and unlined. This style is both foldable and packable and will rebound it's shape easily. Made with UPF 50+ materials that block 98% of UVA and UVB rays. Product details: Brim: 4" Crown: 5" Size: O/S (22 inches) with a velcro size adjuster tucked inside the inner sweatband for a customizable fit.