Isaiah 11:5

Also righteousness will be the belt about His loins,
And faithfulness the belt about His waist.

Isaiah 25:1

O Lord, You are my God;
I will exalt You, I will give thanks to Your name;
For You have worked wonders,
Plans formed long ago, with perfect faithfulness.

Ephesians 6:14

Stand firm therefore, having girded your loins with truth, and having put on the breastplate of righteousness,

Psalm 93:1

The Lord reigns, He is clothed with majesty;
The Lord has clothed and girded Himself with strength;
Indeed, the world is firmly established, it will not be moved.

Isaiah 59:17

He put on righteousness like a breastplate,
And a helmet of salvation on His head;
And He put on garments of vengeance for clothing
And wrapped Himself with zeal as a mantle.

Hosea 2:20

And I will betroth you to Me in faithfulness.
Then you will know the Lord.

2 Corinthians 6:7

in the word of truth, in the power of God; by the weapons of righteousness for the right hand and the left,

Hebrews 2:17

Therefore, He had to be made like His brethren in all things, so that He might become a merciful and faithful high priest in things pertaining to God, to make propitiation for the sins of the people.

1 Peter 4:1

Therefore, since Christ has suffered in the flesh, arm yourselves also with the same purpose, because he who has suffered in the flesh has ceased from sin,

1 John 1:9

If we confess our sins, He is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness.

Revelation 1:13

and in the middle of the lampstands I saw one like a son of man, clothed in a robe reaching to the feet, and girded across His chest with a golden sash.

Revelation 3:14

“To the angel of the church in Laodicea write:The Amen, the faithful and true Witness, the Beginning of the creation of God, says this:

Treasury of Scripture Knowledge

Summary

And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

Bible References

Righteousness

Isaiah 59:17
He put on righteousness like a breastplate,
And a helmet of salvation on His head;
And He put on garments of vengeance for clothing
And wrapped Himself with zeal as a mantle.
Psalm 93:1
The Lord reigns, He is clothed with majesty;
The Lord has clothed and girded Himself with strength;
Indeed, the world is firmly established, it will not be moved.
2 Corinthians 6:7
in the word of truth, in the power of God; by the weapons of righteousness for the right hand and the left,
Ephesians 6:14
Stand firm therefore, having girded your loins with truth, and having put on the breastplate of righteousness,
1 Peter 4:1
Therefore, since Christ has suffered in the flesh, arm yourselves also with the same purpose, because he who has suffered in the flesh has ceased from sin,
Revelation 1:13
and in the middle of the lampstands I saw one like a son of man, clothed in a robe reaching to the feet, and girded across His chest with a golden sash.

And faithfulness

Isaiah 25:1
O Lord, You are my God;
I will exalt You, I will give thanks to Your name;
For You have worked wonders,
Plans formed long ago, with perfect faithfulness.
Hosea 2:20
And I will betroth you to Me in faithfulness.
Then you will know the Lord.
Hebrews 2:17
Therefore, He had to be made like His brethren in all things, so that He might become a merciful and faithful high priest in things pertaining to God, to make propitiation for the sins of the people.
1 John 1:9
If we confess our sins, He is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness.
Revelation 3:14
“To the angel of the church in Laodicea write:The Amen, the faithful and true Witness, the Beginning of the creation of God, says this:

General references

Exodus 40:12
Then you shall bring Aaron and his sons to the doorway of the tent of meeting and wash them with water.
Psalm 9:8
And He will judge the world in righteousness;
He will execute judgment for the peoples with equity.
Galatians 5:15
But if you bite and devour one another, take care that you are not consumed by one another.