'Undergarments' in the Bible

or a provision bag for your journey, or even two tunics, or sandals, or a staff; for the worker deserves his support.

but to wear sandals; and [He told them] not to wear two tunics.

And John replied, “The man who has two tunics is to share with him who has none; and he who has food is to do the same.”

And He said to them, “Take nothing for your journey [that might encumber you]—neither a walking stick, nor bag, nor bread, nor money; and do not even have two tunics apiece.