Wear it on the boat for the best way to keep the glare of the water and sun out of your eyes. It's made of durable fabric to hold its shape with a mesh back for extra ventilation. An adjustable snap closure means you'll get the perfect fit every time. The crown patch with Guy Harvey's iconic arwork on the crown lets eveyone know you're a true angler. Help Save our Oceans! Your purchase supports the health of our oceans and marine life. A portion of the proceeds from the sale of all official Guy Harvey merchandise benefits the Guy Harvey Ocean Foundation, which conducts scientific research and hosts educational programs to help save our seas.