Cloak of Fortification (3.5e Equipment)
From D&D Wiki
These fantastic cloaks range from colors such as dark red, a dignified blue, to a silky white or a satin like black, and bestow a protection to the wearer in the form of a deflection bonus to Armor Class and a resistance bonus to saving throws. Both of these bonuses are equal to the cloak's enhancement bonus.
Prereqs: Craft Wondrous Item, shield of faith, resistance, caster level must be at least three times that of the cloak's bonus.
Value: 3,250 gp (+1), 13,000 gp (+2), 29,250 gp (+3), 52,000 gp (+4), 81,250 gp (+5).