Bible Verses About Priests: Worn always while engaged in the service of the tabernacle

And they shall be upon Aaron, and upon his sons, when they come in unto the tabernacle of the congregation, or when they come near unto the altar to minister in the holy place; that they bear not iniquity, and die: it shall be a statute for ever unto him and his seed after him.

The cloths of service to do service in the holy place, and the holy garments for Aaron the priest, and his sons' garments, to minister in the priest's office.