Exodus 28:39-42

28:39 You are to weave the tunic of fine linen and make the turban of fine linen, and make the sash the work of an embroiderer.

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.