The Adult Master Chief Halo 3 Costume includes a green and black printed jumpsuit with an attached green moulded chestpiece and matching integrated cuffs. The jumpsuit fastens at the back with velcro and leaves a slight gap which you could fasten with a safety pin. Alternatively wear a black t-shirt underneath the garment.
Also included with the licensed Halo costume is a coordinating green and black moulded PVC 1/2 helmet with a gold reflective visor at the front. The mask attaches at the back with black elastic straps that fasten with velcro.
Sizes for this costume are: