According to Sacred Scripture [Douay-Rheims]
Deuteronomy 22:5: "A woman shall not be clothed with man's apparel, neither shall a man use woman's apparel: for he that doeth these things is abominable before God."
Ecclus 19:26-27: "A man is known by his look, and a wise man, when thou meetest him, is known by his countenance. The attire of the body, and the laughter of the teeth, and the gait of the man, shew what he is."
Matthew 5:27-29: "You have heard that is was said to them of old: Thou shalt not commit adultery. But I say to you, that whosoever shall look on a woman to lust after her, hath already committed adultery with her in his heart."
1 Corinthians 3:16-17: "Know you not, that you are the temple of God, and that the Spirit of God dwelleth in you? But if any man violate the temple of God, him shall God destroy. For the temple of God is holy, which you are."
Galatians 5:22-23: "But the fruit of the Spirit is, charity, joy, peace, patience, benignity, goodness, longanimity, mildness, faith, modesty, continency, chastity. Against such there is no law."
1 Timothy 2:9: “In like manner women also in decent apparel: adorning themselves with modesty and sobriety, not with plaited hair, or gold, or pearls, or costly attire."
Philippians 4:5 and 4:8: "Let your modesty be known to all men. The Lord is nigh...For the rest, brethren, whatsoever things are true, whatsoever modest, whatsoever just, whatsoever holy, whatsoever lovely, whatsoever of good fame, if there be any virtue, if any praise of discipline, think on these things."
Colossians 3:12: "Put ye on therefore, as the elect of God, holy, and beloved, the bowels of mercy, benignity, humility, modesty, patience..."