'Mail' in the Bible

“The deep [water] covers them;[Clad in armor] they sank into the depths like a stone.

“You blew with Your wind, the sea covered them;[Clad in armor] they sank like lead in the mighty waters.

There shall be an opening at its top in the center [for the head], with a binding of woven work around the opening, like the opening in a coat of armor, so that it will not tear or fray.

there was an opening [for the head] in the middle of the robe, like the opening in a coat of armor, with a hem around it, so that it would not be frayed or torn.