Whether your child wants to trick or treat, attend Comic Con or go to a video gaming event, the high quality Halo Master Chief Ultra Prestige Child Costume is the outfit he needs. The distinctive set has 26 well-made pieces including a jumpsuit, light up helmet, shoe covers, gauntlets, gloves, jet packs, a cod piece, a seat piece and pieces for the upper arm, shin, thigh, chest and back. The Master Chief Petty Officer, also known as John-117 or simply the Master Chief, believes his duty as a soldier is to protect mankind, no matter the cost. Asking is not his strong suit. He does what needs to be done. With help from the blue team and his AI Cortano, the Master Chief protects the earth against the invasion of Alien races such as the Covenant.