The Akubra Adventurer Open Crown Fedora is a Fur Felt Fedora. This hat comes with an open crown which can be uniquely shaped based on your preference and style. This hat has the same dimensions as the fedora worn by Indiana Jones. The open crown height is 5 1/2" and the dimensional brim measures 3 1/8" in the front and 2 3/4" at the sides. Finished with a grosgrain hat band and the interior has a leather sweatband and is fully lined for maximum comfort. UPF rating 50+. Made in Australia.