Revelation 15:6

and there came out of the sanctuary the seven angels with the seven plagues. They were clothed in white linen, pure and bright, and girt about the breasts with golden girdles.

Revelation 19:8

And it has been granted to her to array herself in fine linen, bright and pure; For the fine linen is the righteous deeds 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 there came out of the sanctuary the seven angels with the seven plagues. They were clothed in white linen, pure and bright, and girt about the breasts with golden girdles.
Revelation 19:8
And it has been granted to her to array herself in fine linen, bright and pure; For the fine linen is the righteous deeds of the saints."