The Old Testament -Leviticus – Chapter 16 | Verse 4
The Third Book of Moses called Leviticus
He shall put on the holy linen coat, and he shall have the linen breeches upon his flesh, and shall be girded with a linen girdle, and with the linen mitre shall he be attired: these are holy garments; therefore shall he wash his flesh in water, and so put them on.