Leviticus 8:13

8:13 Moses also brought forward Aaron’s sons, clothed them with tunics, wrapped sashes around them, and wrapped headbands on them just as the Lord had commanded Moses.

Leviticus 16:4

16:4 He must put on a holy linen tunic, linen leggings are to cover his body, and he is to wrap himself with a linen sash and wrap his head with a linen turban. They are holy garments, so he must bathe his body in water and put them on.