'Helmet' in the Bible

wore a bronze helmet on his head, and wore bronze scale armor that weighed about 5,000 shekels.

Saul put his garments on David, set a bronze helmet on his head, and put armor on him.

Gilead belongs to me, and Manasseh is mine. Ephraim is my helmet, and Judah my scepter.

He put on righteousness like a breastplate, and a helmet of salvation on his head; he put on garments of vengeance for clothing, and wrapped himself in fury like a cloak.