SRD:Power Resistance (Armor Enhancement)

Power Resistance: This kind of armor or shield grants the wearer power resistance while it is worn. The power resistance can be 13, 15, 17, or 19, depending on the amount that was built into the armor or shield.

Moderate clairsentience; ML 9th; Craft Psionic Arms and Armor, power resistance; Price +2 bonus (PR 13); +3 bonus (PR 15); +4 bonus (PR 17); or +5 bonus (PR 19).