One of the more contentious passages is Deuteronomy 22:5
A woman shall not wear a man’s garment, nor shall a man put on a woman’s cloak, for whoever does these things is an abomination to the Lord your God.
This is part of the law of Moses and therefore not directly applicable to Christians, although the law does give a good guide to what God thinks about different things. In this case, it is a prohibition against cross-dressing as a transvestite.
Some conservative Christian groups have tried to use this verse to prohibit women wearing slacks. That is not a valid interpretation. Slacks are women’s clothing these days and no-one would think a woman in slacks was behaving like a transvestite.
Other instructions on women’s clothing tend to focus on being modest and not extravagant. The main two New Testament passages are given below.
1 Timothy 2:9 … women should adorn themselves in respectable apparel, with modesty and self-control, not with braided hair and gold or pearls or costly attire,
1 Peter 3:3-4
Do not let your adorning be external—the braiding of hair and the putting on of gold jewelry, or the clothing you wear—but let your adorning be the hidden person of the heart with the imperishable beauty of a gentle and quiet spirit, which in God’s sight is very precious.