Ultrafino Casual Safari Jack Panama Outdoors Natural Straw Hat Straw Flexible and durable genuine straw. Does not lose shape over time. Excellent all around sun protection. UPF 50+ Black grosgrain hat band and comfortable sweatband. 4" inch crown height, 2.75" inch brim Our hats are custom made to your size to ensure the best fit. Free 60 day hassle-free size exchange. Ultrafino is a registered trademark. Any form of abuse, trademark infringements is serious business and will result in the punishment of Amazon team and U.S. Trademark law.