You touch a willing creature who isn't wearing armor, and a protective magical force surrounds it until the spell ends. The target's base AC becomes 13 + its Dexterity modifier. The spell ends if the target dons armor or if you dismiss the spell as an action.

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