Catholic Teaching on Modesty and Materialism in Dress
Being a Catholic, or a Christian in general, is not about abstaining from material things like clothes, but rather about having a right relationship with God and using the things of this world in a way that honors Him. Paul writes in 1 Timothy 2:9-10 that women should adorn themselves with modesty and humility, not with excessive attention to outward appearance. This does not mean that one cannot enjoy pretty clothes or take care in their appearance, but rather that their focus should be on inner beauty and a heart that seeks to please God.
This truth addresses the heart behind the question, which is often a desire to know how to live a life that is pleasing to God. The Catholic, or Christian, life is not about following a set of rules or abstaining from certain things, but rather about living a life of love and obedience to God.
The gospel connection here is that our worth and identity are found in Christ, not in the things we wear or possess. As believers, we are called to live a life of simplicity, humility, and modesty, not because these things have the power to save us, but because they reflect a heart that is surrendered to God and seeks to honor Him in all things.