Question: Do you prefer to wear comfortable and casual clothes or smart clothes?
You should share your personal preference between comfortable, casual clothes and smart, formal clothes. You can also mention situations where you might choose one over the other, and explain your reasons, such as comfort, style, or the occasion.
Try these synonyms instead of repeating the question:
comfortable and casual clothes→relaxed outfits; laid-back clothing; informal wear
smart clothes→formal attire; dressy clothes; business wear