Made from heavy duty, oiled tin cloth, the Filson 5 Panel Cap provides natural water repellency and insulates even when wet. With a leather adjustable strap for a custom fit and a classic, five-panel construction, you'll never want to take it off. If you're looking for a timeless heritage hat that you'll be able to pass on to your next of kin, the made in USA Filson 5 Panel Cap is the lid you need.