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. Measurements: Circumference: 24 in Product measurements were taken using size XL (7 5/8).