Conjuration(Creation) [Force]
Level: Sorcerer 3, Wizard 3
Components: V, S
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 1 hour/level (D)
Saving Throw: Will negates (harmless)
Spell Resistance: No
An invisible sheen of armour-shaped force surrounds you.
This spell functions like mage armour, except that it requires no material component and its tangible field of force provides a +6 armour bonus to Armour Class.
Source: Spell Compendium (Page 136)