Exodus 28:2-4

28:2 You must make holy garments for your brother Aaron, for glory and for beauty. 28:3 You are to speak to all who are specially skilled, whom I have filled with the spirit of wisdom, so that they may make Aaron’s garments to set him apart to minister as my priest. 28:4 Now these are the garments that they are to make: a breastpiece, an ephod, a robe, a fitted tunic, a turban, and a sash. They are to make holy garments for your brother Aaron and for his sons, that they may minister as my priests.

Exodus 28:40-43

28:40 “For Aaron’s sons you are to make tunics, sashes, and headbands for glory and for beauty.

28:41 “You are to clothe them – your brother Aaron and his sons with him – and anoint them and ordain them and set them apart as holy, so that they may minister as my priests. 28:42 Make for them linen undergarments to cover their naked bodies; they must cover from the waist to the thighs. 28:43 These must be on Aaron and his sons when they enter to the tent of meeting, or when they approach the altar to minister in the Holy Place, so that they bear no iniquity and die. It is to be a perpetual ordinance for him and for his descendants after him.