Revelation 19:8

She was given expensive, bright, clean linen [clothing] to wear." (Now the expensive linen [clothing] represents the righteous deeds of the saints [i.e., God's holy people]).

Revelation 4:4

And around God's throne there were twenty-four [other] thrones, with twenty-four elders sitting on them. [Note: These "elders" are generally considered to represent all the saved of both covenants. The number twenty-four is thought to be derived from the twelve patriarchs and the twelve apostles]. They were dressed in white clothing and had golden crowns 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

Revelation 4:4
And around God's throne there were twenty-four [other] thrones, with twenty-four elders sitting on them. [Note: These "elders" are generally considered to represent all the saved of both covenants. The number twenty-four is thought to be derived from the twelve patriarchs and the twelve apostles]. They were dressed in white clothing and had golden crowns on their heads.
Revelation 19:8
She was given expensive, bright, clean linen [clothing] to wear." (Now the expensive linen [clothing] represents the righteous deeds of the saints [i.e., God's holy people]).