2 Samuel 15:30
And David went up by the ascent of mount Olivet, and wept as he went up, and had his head covered, and he went barefoot: and all the people that was with him covered every man his head, and they went up, weeping as they went up.
Nave's Topical Index—AKJV

Isaiah 20:2
At the same time spoke the LORD by Isaiah the son of Amoz, saying, Go and loose the sackcloth from off your loins, and put off your shoe from your foot. And he did so, walking naked and barefoot.
Nave's Topical Index—AKJV