Bible Verses About Sackcloth: The Jews lay in, when in deep affliction

And Respha the daughter of Aia took haircloth, and spread it under her upon the rock from the beginning of the harvest, till water dropped upon them out of heaven: and suffered neither the birds to tear them by day, nor the beasts by night.

And when Achab had heard these words, he rent his garments, and put haircloth upon his flesh, and fasted, and slept in sackcloth, and walked with his head cast down.

Gird yourselves, and lament, O ye priests, howl, ye ministers of the altars: go in, lie in sackcloth, ye ministers of my God: because sacrifice and libation is cut off from the house of your God.