Istanbul is a huge open-air shopping center. Depending on the area, you can buy anything and everything! Sellers will lure you into their stores in you language, and for a simple walk, they may be too intrusive.
If possible, visit the main city market: Grand Bazaar. The market impresses with its size, cleanliness, an abundance of souvenirs and all kinds of goods. Also, do not forget to visit the seasoned market - Spice Bazaar. Coordinates: 41.010612, 28.968092
The prices of things very much depend on the district and the store. In resort places, for example, in markets in Antalya or Alanya, inexpensive clothes are widespread, prices are approximately the following:
In brand stores, prices are usually high, but 2 times a year there are good sales, with discounts of 50%. Usually in late winter and late summer. There are always discounts at stores for local residents on Turkish clothing brands. In shops for local residents at no discount. Turkish women's items cost around 20 USD with a discount of 5 - 10 USD
Still tourists are very fond of buying a fur coat, sheepskin coat and other leather things in Turkey. For example, for leather things in Istanbul, the prices may be: