The kids have trick or treating but the adult Halloween enthusiast knows how to have just as much fun, starting with choosing the perfect Halloween costume! At Costume.net you'll find the character or theme you're looking for no matter what size you are and no matter what your budget is. Be a crazy character from Alice in Wonderland or a futuristic officer from Star Trek. Or become a 1920s gangster or an 1980s pop star! All of these looks and more are available in sizes that range from x-small to plus sizes and are offered at prices to fit any budget. And if you're feeling especially daring, be sure to browse our selection of sexy costumes!