In no time flat, camp collar shirts have gone from a forgotten midcentury relic to an inescapable summertime staple. These days, you can find ‘em in just about every imaginable variation: tie-dye, neon, matching short set. But the undisputed champ is still the one that started it all—the Hawaiian shirt, in all its gaudy glory, ready to hang open all week on your next beach getaway or bring some easy island vibes to your workaday wardrobe. To get you set for warmer days ahead, here are 18 big mood button-ups jam-packed with all the painterly surf scenes and jumbo-sized florals your fits can handle.