These enchanted clothes gives you +1 AC. You are considered proficient with this armor even if you lack proficiency with the attributed armor type.

An outfit made of pride silk weighs 4 pounds and costs 500 gp. If you aren’t wearing armor, your base Armor Class is 11 + your Dexterity modifier while wearing it.

Notes: Bonus: Armor Class, Proficiency: Self, Combat, Warding