For clothing "For his clothing" - תלבשת tilbosheth. "I cannot but think that this word, תלבשת tilbosheth, is an interpolation.

1. It is in no one ancient version.

2. It is redundant in the sense, as it is before expressed in בגדי bigdey.

3. It makes the hemistich just so much longer than it ought to be, if it is compared with the others adjoining.

4. It makes a form of construction in this clause less elegant than that in the others.

5. It might probably be in some margin a various reading for בגדי bigdey, and thence taken into the text.

This is more probable, as its form is such as it would be if it were in regimine, as it must be before נקם nakam." - Dr. Jubb. Two sorts of armor are mentioned: a breast-plate and a helmet, to bring righteousness and salvation to those who fear him; and the garments of vengeance and the cloak of zeal for the destruction of all those who finally oppose him, and reject his Gospel.

he put on righteousness

Isaiah 11:5 And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

Isaiah 51:9 Awake, awake, put on strength, O arm of the LORD; awake, as in the ancient days, in the generations of old...

Job 29:14 I put on righteousness, and it clothed me: my judgment was as a robe and a diadem.

Romans 13:12-14 The night is far spent, the day is at hand: let us therefore cast off the works of darkness, and let us put on the armor of light...

2 Corinthians 6:7 By the word of truth, by the power of God, by the armor of righteousness on the right hand and on the left,

Ephesians 6:14,17 Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness...

1 Thessalonians 5:8 But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.

Revelation 19:11 And I saw heaven opened, and behold a white horse; and he that sat on him was called Faithful and True...

the garments

Deuteronomy 32:35-43 To me belongs vengeance and recompense; their foot shall slide in due time: for the day of their calamity is at hand...

Psalm 94:1 O Lord God, to whom vengeance belongs; O God, to whom vengeance belongs, show yourself.

2 Thessalonians 1:8 In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:

Hebrews 10:30 For we know him that has said, Vengeance belongs to me, I will recompense, said the Lord. And again, The Lord shall judge his people.

with zeal

Isaiah 9:7 Of the increase of his government and peace there shall be no end, on the throne of David, and on his kingdom, to order it...

Isaiah 63:15 Look down from heaven, and behold from the habitation of your holiness and of your glory: where is your zeal and your strength...

Psalm 69:9 For the zeal of your house has eaten me up; and the reproaches of them that reproached you are fallen on me.

Zechariah 1:14 So the angel that communed with me said to me, Cry you, saying, Thus said the LORD of hosts...

John 2:17 And his disciples remembered that it was written, The zeal of your house has eaten me up.

'The Breastplate of Righteousness'
'Having put on the breastplate of righteousness.'--Eph. vi. 14. There can be no doubt that in this whole context the Apostle has in mind the great passage in Isaiah lix. where the prophet, in a figure of extreme boldness, describes the Lord as arming Himself to deliver the oppressed faithful, and coming as a Redeemer to Zion. In that passage the Lord puts on righteousness as a breastplate--that is to say, God, in His manifestation of Himself for the deliverance of His people, comes forth as if arrayed …
Alexander Maclaren—Expositions of Holy Scripture Ephesians, Peter,John

Wherefore Christ Undertook a Method of Setting us Free So Painful and Laborious, when a Word from Him, or an Act of his Will, Would Alone
Wherefore Christ undertook a method of setting us free so painful and laborious, when a word from Him, or an act of His will, would alone have sufficed. 19. Then he labours to teach and persuade us that the devil could not and ought not to have claimed for himself any right over man, except by the permission of God, and that, without doing any injustice to the devil, God could have called back His deserter, if He wished to show him mercy, and have rescued him by a word only, as though any one denies …
Saint Bernard of Clairvaux—Some Letters of Saint Bernard, Abbot of Clairvaux

The Beginning of Justification. In what Sense Progressive.
1. Men either idolatrous, profane, hypocritical, or regenerate. 1. Idolaters void of righteousness, full of unrighteousness, and hence in the sight of God altogether wretched and undone. 2. Still a great difference in the characters of men. This difference manifested. 1. In the gifts of God. 2. In the distinction between honorable and base. 3. In the blessings of he present life. 3. All human virtue, how praiseworthy soever it may appear, is corrupted. 1. By impurity of heart. 2. By the absence of …
John Calvin—The Institutes of the Christian Religion