Catch the Marlins fever in style with the New Era Marlins 9Twenty Adjustable Stone Cap. Blending comfort with a splash of Miami flair, this adjustable cap is made for true fans who want to dive into the thrill of game-day fun all equipped. Stitched with soft fabric, the New Era Marlins 9Twenty Adjustable Stone Cap is as comfy and relaxing as the day at the ballpark. 100% cotton woven.