The Dorfman Pacific Supplex Big Brim Bonnie Hat is a wide brimmed hat, perfect for the rain or sunshine. This type of hat is commonly used by the military and the avid outdoorsman. They are also often referred to as jungle hats, sun hats, bucket hats and fishing hats. Details: Mesh lining, covered under brim, chin cord, toggle, adjustable fit toggle. Brim size: 3 1/4''. Material: Supplex Nylon, Mesh.