Unyielding synth chest piece

The unyielding synth chest piece is a piece of armor in the Fallout 4 add-on Far Harbor.

Characteristics
It is a unique, "clean" variant of the synth armor chest piece and provides a Damage Resistance of 39 and Energy Resistance of 42, as well as a bonus of +3 to all SPECIAL stats (except Endurance) when the player character is at 25% or less health.

Location
Reward for completing the quest The Price of Memory if you choose to tell Jule the truth about herself. The chest piece is located in Jule's lockbox in Acadia, down the north stairwell in the extended alcove left of the stairwell exit. It is on the bottom of the shelves at the back of the extended alcove.