There's Nothing More Powerful than an Army of One. That's What Your Little Guy Wants to be When he Plays Halo, and you Know that he'd Love to Immerse Himself in the Gaming Role of his Life. Look no Further than our Boy's Halo Master Chief Muscle Suit Costume. It's the Ultimate Attire for Halo and Sci-Fi Fans Alike. It's Got Everything that a Gamer and Master Chief Fan Could Want in their Gear. The Master Chief Costume Includes Jumpsuit with Muscle Torso and Arms and Master Chief Character Half Mask.