Elven Chain
Armor,
Rare
(cost 5000 gp)
Crafting Components
Mithral worked on a fire born from the bark from an awakened tree
While wearing this armor your Armor Class increases by +1, and you are able to wear it without penalty even without proficiency. It only weighs 10 pounds, including the padding underneath, and can be stealthily worn under normal clothes.
Source