Mithril Chain Shirt (+1)

Mithral is a light, flexible metal. A mithral chain shirt or 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.

+1 to AC (i.e. 14 + Dex modifier (max 2))