Mask
Immortan Joe wears a custom-made mask. The concept seems to be that the mask was made out of a human skull and horse teeth, with metal accents. Two hoses run from the mask into an bladder on his upper back.
More on the Mask & Replicas Available
Armor
Immortan Joe’s armor also looks like custom-made vacuum-formed clear plastic. The armor has tan edge trim (possibly self-adhesive moleskin), and is decorated with bottle caps, modified medals, and cell phone parts. One fan believes the PC board could be from a Nokia 3100.
Armor decor:
Tiny piston. Piston from piston key chain. Can be found on eBay.
Codpiece
Immortan Joe wears a dark brown leather codpiece decorated with castle nuts.
Boots and Shin Guards
Immortan Joe wears lace-up boots with piston heads as toe caps. Brown leather (belly leather is best) shin guards with lots of emblems on them.
If you can 3D print, here are the emblems: http://www.thingiverse.com/thing:978497
Weapons
Colt Anaconda, 44 magnum (Python is similar and maybe easier to find airsoft versions)
Ceremonial Belt
During the ceremony which rains water upon the general public, Immortan Joe wears a dark brown kidney belt with the Immortan Joe emblem (made out of a motorcycle gear) on his belt.
