Jeanne Simmons UPF 50+ Wide Brim Bow Front Elastic Sweat Band Hat - White Straw Made of 100% paper straw. One size fits most with elastic sweat band, fitting up to 7 1/8. Crown measures 3 1/2 inches deep, with hat band. Brim measures 3 - 3 1/2 inches wide, downturned. Packable and crushable, UPF 50+ sun protection.