Outback Trading Sage Oilskin Kodiak With Mesh Hat 1472 Cotton Import OILSKIN CONSTRUCTION - Made of 100% cotton oilskin with leather accent. WEATHERPROOF - Designed with a UPF protection and waterproof construction. MESH CROWN - Build with a mesh crown for increased ventilation. STYLISH HAT - Measures 4.25 inches crown and 3.25 inches brim. VARIOUS SIZES - This hat is also available in different sizes that will go with your preference.