What is the meaning of Japan's formal silk citation foil

Shogun refers to the silk fabric used to make kimonos in Japan, and shofu means to put foil on special washi paper, so Japanese shogun shofu means that Japan puts foil on the silk fabric of kimonos.

Shogun cloth usually refers to a silk-like fabric. Originating in the Jiangnan region of China, Shokin fabric is prevalent in Japan, and in Japanese Shokin translates to cloth made of pure silk. Shokin fabric has a softer luster with a matte feel and a softer hand compared to silk.