ISB ~ 1 Thessalonians 5 v8

breastplate … helmet:The virtues of faith, hope, and love are the defensive gear of the believer, protecting the head and heart during the battles of life. These conflicts are engaged not only with the passions and enticements of the world, but also with demonic spirits that seek our demise (Eph 6:13-17). Paul often reminds readers of their spiritual armory in Christ (Rom 13:12; 2 Cor 6:7; 10:3-4). See note on 1 Thess 1:3.