Many workers have uniforms they put on for their daily activities. A Christian also has a uniform that we put on in order for us to do the work God calls us to.
Romans 13:12 The night is far spent, the day is at hand. Therefore let us cast off the works of darkness, and let us put on the armor of light.
Romans 13:14 But put on the Lord Jesus Christ, and make no provision for the flesh, to fulfill its lusts.
Galatians 3:27 For as many of you as were baptized into Christ have put on Christ.
Ephesians 4:24 and that you put on the new man which was created according to God, in true righteousness and holiness.
Ephesians 6:11 Put on the whole armor of God, that you may be able to stand against the wiles of the devil.
Ephesians 6:14 Stand therefore, having girded your waist with truth, having put on the breastplate of righteousness,
Colossians 3:10 and have put on the new man who is renewed in knowledge according to the image of Him who created him,
Colossians 3:12 Therefore, as the elect of God, holy and beloved, put on tender mercies, kindness, humility, meekness, longsuffering;