From emerald-green fists to firearms made of pure energy, let your imagination run wild with one of our many Green Lantern hats and caps. Join Hal in mastering your fears by throwing on a Green Lantern symbol hat, a Blue or Yellow Lantern symbol hat, or a John Stewart symbol hat. If you sport the right gear and harness your willpower, you’ll enjoy intergalactic battles, alien romances, and one incredibly powerful ring.