Revelation 15:6

and the seven angels having the seven plagues came forth out of the temple, clothed in linen white and shining, and girded about the breasts with golden girdles.

Revelation 19:8

And it was granted her to be clothed in fine linen, clean and splendid: for the fine linen is [the emblem of] the righteousness of the saints.

Treasury of Scripture Knowledge

Summary

Also the Levites which were the singers, all of them of Asaph, of Heman, of Jeduthun, with their sons and their brethren, being arrayed in white linen, having cymbals and psalteries and harps, stood at the east end of the altar, and with them an hundred and twenty priests sounding with trumpets:)

Bible References

Arrayed

Revelation 15:6
and the seven angels having the seven plagues came forth out of the temple, clothed in linen white and shining, and girded about the breasts with golden girdles.
Revelation 19:8
And it was granted her to be clothed in fine linen, clean and splendid: for the fine linen is [the emblem of] the righteousness of the saints.