BalancedSource Armor Master's Handbook pg. 26, Ultimate Equipment pg. 115 (Amazon)
Aura faint evocation CL 3rd
Slot armor quality; Price +1 bonus; Weight —
DescriptionAs an immediate action, the wearer of a suit of balanced armor can reduce the enhancement bonus of the armor to gain an equal enhancement bonus on one type of saving throw (Fortitude, Reflex, or Will) designated when the armor is created. This effect lasts until the beginning of the wearer’s next turn. This ability can be applied only to medium armor.
ConstructionRequirements Craft Magic Arms and Armor, resistance; Price +1 bonus