Made with 100% Crochet raffia with tall pinched crown and moldable ultra wide brim. Packable. Brim: 5.5"Crown: 6Size: O/S (57cm) with a velcro size adjuster tucked inside the inner sweatband for a customizable fit. This hat is made with UPF 50+ materials that block 98% of UVA and UVB rays.