Rei Kawakubo is a very famous Japanese fashion designer, who is highly respected for his unique design concept and innovative fashion style. Her designs often use expensive materials such as pearls, fur, silk and other high-end fabrics. At the same time, the fashions designed by Rei Kawakubo are often handmade and customized, which greatly increases its cost and value.

In addition, Rei Kawakubo's fame and reputation is also one of the reasons for its high brand price. Her fashion works often appear in international big-name fashion shows and are worn by many stars and celebrities. These factors have won great attention and acceptance for the brand and enhanced its market value.

In a word, Rei Kawakubo is a high-end fashion brand with unique design style and excellent quality. Its high cost mainly comes from high-end materials and manual factors. The brand's popularity and reputation are relatively high, which leads to its high price.