Item Type: Armor

Item Subtype: medium or heavy, but not hide

Item Rarity: Uncommon

Requires Attunement: No

D&D Beyond: Mithral Armor

Source: Dungeon Master’s Guide

Consumable: No

Mithral is a light, flexible metal. Armor made of it can be worn under normal clothes. If the armor normally imposes Disadvantage on Dexterity (Stealth) checks or has a Strength requirement, the mithral version doesn’t.