Who ya gonna call? Ghostbusters! Prove that your not afraid of ghosts and wear the Boys Ghostbusters Costume for Halloween. The costume features a khaki colored jumpsuit with the Ghostbusters logo on the chest and arm. It also includes an inflatable back pack which is a replica of the particle accelerating proton pack and proton gun that catches any ghosts that are caught in its stream What better day of the year to catch ghosts than Halloween day. Just like the costume worn by the Ghostbusters in the movie..