Unarmored Defense Expert, Variant (5e Feat)
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Unarmored Defense Expert
Prerequisites: Dexterity score of 15 or higher.
You have trained to fight unarmored.
Increase your Dexterity, or Constitution by 1 to a maximum of 20.
While you aren't wearing armor, you can calculate your AC as 10 + your Dexterity Modifier + Constitution Modifier, you can still use a shield and gain this benefit.
While you aren't wearing armor, you can advantage on Strength(athletics) and Dexterity(acrobatics) checks when contesting grapple or shove actions