What is the ‘Breastplate of Righteousness’? This piece of armor has absolutely nothing to do with your ‘good deeds,’ but has everything to do with putting on God’s righteousness. After discussing what the Breastplate of Righteousness is Pastor Zach dives into how this piece of armor frees, assures and defends us.What is the ‘Breastplate of Righteousness’? This piece of armor has absolutely nothing to do with your ‘good deeds,’ but has everything to do with putting on God’s righteousness. After discussing what the Breastplate of Righteousness is Pastor Zach dives into how this piece of armor frees, assures and defends us.