Isaiah 3:24

3:24 A putrid stench will replace the smell of spices,

a rope will replace a belt,

baldness will replace braided locks of hair,

a sackcloth garment will replace a fine robe,

and a prisoner’s brand will replace beauty.

Isaiah 20:2

20:2 At that time the Lord announced through Isaiah son of Amoz: “Go, remove the sackcloth from your waist and take your sandals off your feet.” He did as instructed and walked around in undergarments and barefoot.

Isaiah 37:2

37:2 Eliakim the palace supervisor, Shebna the scribe, and the leading priests, clothed in sackcloth, sent this message to the prophet Isaiah son of Amoz:

Isaiah 58:5

58:5 Is this really the kind of fasting I want?

Do I want a day when people merely humble themselves,

bowing their heads like a reed

and stretching out on sackcloth and ashes?

Is this really what you call a fast,

a day that is pleasing to the Lord?