Isa 59:17

(NIV)
He put on righteousness as his breastplate,
and the helmet of salvation on his head;
he put on the garments of vengeance
and wrapped himself in zeal as in a cloak.
(ESV)
He put on righteousness as a breastplate,
and a helmet of salvation on his head;
he put on garments of vengeance for clothing,
and wrapped himself in zeal as a cloak.

Eph 6:17

(NIV)
Take the helmet of salvation and the sword of the Spirit, which is the word of God.

(ESV)
and take the helmet of salvation, and the sword of the Spirit, which is the word of God,

1Thess 5:8

(NIV)
But since we belong to the day, let us be sober, putting on faith and love as a breastplate, and the hope of salvation as a helmet.
(ESV)
But since we belong to the day, let us be sober having put on the breastplate of faith and love, and for a helmet the hope of salvation.
Copyright information for NIV, ESV