Mark 6:8

Revised Standard Version

He charged them to take nothing for their journey except a staff; no bread, no bag, no money in their belts;

See the chapter Copy

And he said to them, “Take nothing for your journey, no staff, nor bag, nor bread, nor money; and do not have two tunics.

Carry no purse, no bag, no sandals; and salute no one on the road.

And he said to them, “When I sent you out with no purse or bag or sandals, did you lack anything?” They said, “Nothing.”

but to wear sandals and not put on two tunics.