Exodus 29:4-5

4Then 1you shall bring Aaron and his sons to the doorway of the tent of meeting and wash them with water.

5And you shall take the garments, and put on Aaron the 2tunic and 3the robe of the ephod, and 4the ephod and 5the 6breastpiece, and wrap his waist with the skillfully 7woven band of the ephod;