A “kurti” (sometimes also called “kurti top”) is a kind of tunic or upper garment in South Asian fashion, especially popular in India, Pakistan, Bangladesh, etc. Here’s a breakdown of what a kurti is, its features, types, fabrics, pros & cons, and styling tips — especially in context of one made in pure Banarasi silk (like the one you mentioned earlier).
	Fabrics / Materials
	The fabric used affects comfort, look, occasion, price. Some fabrics used are:
	 
	Advantages
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			Rich texture & look: Banarasi silk has luster, sheen, intricate weaving; it looks more festive or formal. 
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			Luxury & craftsmanship: The weaving (motifs, zari, etc.) gives the garment a heritage/ethnic appeal. 
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			Durability (if well made): Silk + good construction means it can last if taken care.