Duck Camp Tarpon Hat Fossil research shows that tarpon have been swimming in our oceans since prehistoric times, so our friends at Duck Camp thought they'd make a hat just as timeless to commemorate these bucket list fish. - Polyester shell fabric keeps this hat looking good season after season - 5-panel structure - Adjustable Snapback - Cap Sizing: Max size of snapback hat is approximately 23" circumference with a 5" crown