Acadia's Shield

Acadia's Shield is a unique, "clean" variant of the synth armor chest piece in the Fallout 4 add-on Far Harbor.

Gameplay
It provides a Damage Resistance of 39 and an Energy Resistance of 44, as well as a bonus of +1 to Agility, Endurance and Intelligence.

Locations
It is a possible reward for completing the quest The Way Life Should Be if one chooses to keep DiMA's secret.