You can only attune to this item by wearing no other clothes, other then magic items and this apron.

 While attuned to this item, you can add your Strength and Constitution bonuses to your AC.

This effect does stack with unarmored defence, for some reason.

Notes: Bonus: Armor Class, Bonus: Armor Class, You can only attune to this item by wearing no other clothes, other then magic items and this apron.