Magic Vestment

(Player's Handbook v.3.5, page 251, DnD 3.5)

Transmutation

Level: ; Cleric 3; Knight of the Chalice 3; Savant 3; , Strength 3, ; , War 3, ; , Celestia 3, ; , Halfling 3, ; , Nobility 3
Components: V, S
Casting Time: 1 standard action
Range: Touch
Target: Armor or shield touched
Duration: 1 hour/level
Saving Throw: Will negates (harmless, object)
Spell Resistance: Yes (harmless, object)

You imbue a suit of armor or a shield with an enhancement bonus of +1 per four caster levels (maximum +5 at 20th level).

An outfit of regular clothing counts as armor that grants no AC bonus for the purpose of this spell.