'Helmet' in the Bible

And he had a helmet of brass upon his head, and he was clad with a coat of mail; and the weight of the coat was five thousand shekels of brass.

And Saul clad David with his apparel, and he put a helmet of brass upon his head, and he clad him with a coat of mail.

And he put on righteousness as a breastplate, and a helmet of salvation upon his head; and he put on garments of vengeance for clothing, and was clad with zeal as a mantle.

And they shall come against thee with weapons, chariots, and wagons, and with a company of peoples; they shall set themselves against thee with buckler and shield and helmet round about; and I will commit the judgment unto them, and they shall judge thee according to their judgments.

Persia and Lud and Put were in thine army, thy men of war: they hanged the shield and helmet in thee; they set forth thy comeliness.

Persia, Cush, and Put with them, all of them with shield and helmet;

And take the helmet of salvation, and the sword of the Spirit, which is the word of God:

But let us, since we are of the day, be sober, putting on the breastplate of faith and love; and for a helmet, the hope of salvation.