The Mechanist's Helmet

The Mechanist's Helmet is a unique piece of armor

Gameplay
The Mechanist's Helmet provides 6 Damage Resistance. The helmet is paired with The Mechanist's Costume, forming an armor set.

Location
The helmet, as well the matching costume, can be obtained by either killing The Mechanist or convincing him to give up his persona during the quest The Superhuman Gambit.