Thematic Bible: Symbolically wearing sackcloth and going barefoot

At that time the word of the Lord came to Isaiah, the son of Amoz, saying, Go, and take off your robe, and your shoes from your feet; and he did so, walking unclothed and without shoes on his feet. And the Lord said, As my servant Isaiah has gone unclothed and without shoes for three years as a sign and a wonder to Egypt and Ethiopia,