Enjoy the outdoors while staying out of the sun with the Papyrus Brim Hat by Outdoor Research®. Its wide brim and excellent breathability will keep you cool and comfortable. UPF 30 protection from the sun. Lined under brim and crown for added protection. TransAction™ headband provides a comfortable and dry experience. Removable chin cord for added versatility. 3.25" brim. Materials: 100% woven paper straw.100% Supplex® nylon. Imported. WARNING California's Proposition 65 Product measurements were taken using size XL (7 5/8). Please note that measurements may vary by size. Measurements: Circumference: 24 in View Zappos.com Glossary of Terms Outdoor Research Papyrus Brim Hat