Ezekiel 44:17

It shall be that when they enter the gates of the inner courtyard, they shall be clothed in linen garments; no wool shall be on them while they minister at the gates of the inner courtyard and within the temple (house).

Revelation 19:8

She has been permitted to dress in fine linen, dazzling white and clean—for the fine linen signifies the righteous acts of the saints [the ethical conduct, personal integrity, moral courage, and godly character of believers].

Exodus 28:43

The various articles of clothing shall be on Aaron and on his sons when they enter the Tent of Meeting, or when they approach the altar [of incense] to minister in the Holy Place, so that they do not incur guilt and die. It shall be a statute forever to Aaron and to his descendants after him.

Exodus 39:27-29

And they made tunics of finely woven linen for Aaron and his sons,

Exodus 28:39-40

“You shall weave the tunic of checkered work of fine linen, and make a turban of fine linen. You shall make a sash, the work of an embroiderer.

Leviticus 16:4

He shall put on the holy linen tunic, and the linen undergarments shall be next to his body, and he shall be belted with the linen sash, and dressed with the linen turban (these are the holy garments). He shall bathe his body in water and put them on.

Revelation 4:4

Twenty-four [other] thrones surrounded the throne; and seated on these thrones were twenty-four elders dressed in white clothing, with crowns of gold on their heads.

Treasury of Scripture Knowledge

Summary

And it shall come to pass, that when they enter in at the gates of the inner court, they shall be clothed with linen garments; and no wool shall come upon them, whiles they minister in the gates of the inner court, and within.

Bible References

They shall

Exodus 28:39
“You shall weave the tunic of checkered work of fine linen, and make a turban of fine linen. You shall make a sash, the work of an embroiderer.
Exodus 39:27
And they made tunics of finely woven linen for Aaron and his sons,
Leviticus 16:4
He shall put on the holy linen tunic, and the linen undergarments shall be next to his body, and he shall be belted with the linen sash, and dressed with the linen turban (these are the holy garments). He shall bathe his body in water and put them on.
Revelation 4:4
Twenty-four [other] thrones surrounded the throne; and seated on these thrones were twenty-four elders dressed in white clothing, with crowns of gold on their heads.
Revelation 19:8
She has been permitted to dress in fine linen, dazzling white and clean—for the fine linen signifies the righteous acts of the saints [the ethical conduct, personal integrity, moral courage, and godly character of believers].