Mithral Armor

Armor (medium or heavy armor, but not hide armor)

Mithral is a light, flexible metal. A mithral chain shirt or mithral breastplate can be worn under normal clothes.
If the armor normally imposes disadvantage on Dexterity (Stealth) checks or has a Strength requirement, the mithral version of the armor doesn't.

Rarity

Uncommon

Base Price

Normal armor cost + 1d6 x 100 gp