'Sandals' in the Bible

I indeed am baptizing you in water on a profession of repentance; but He who is coming after me is mightier than I: His sandals I am not worthy to carry for a moment; He will baptize you in the Holy Spirit and in fire.

but to go wearing sandals. "And do not," He said, "put on an extra under garment.

"Fasten your girdle," said the angel, "and tie on your sandals." He did so. Then the angel said, "Throw your cloak round you, and follow me."