Revelation 15:6

and the seven angels, having the seven plagues, came out from the temple, clothed in clean, bright linen, and encircled about the breast with golden girdles.

Revelation 19:8

And it was given unto her that she should be clothed in linen, bright and clean. For the linen is the righteous acts 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 out from the temple, clothed in clean, bright linen, and encircled about the breast with golden girdles.
Revelation 19:8
And it was given unto her that she should be clothed in linen, bright and clean. For the linen is the righteous acts of the saints.