Western shirt by ancient dyeing technique [Amami mud dyeing]. Amami mud is derived from ancient strata, and because the particles are round and thin, it can be dyed without damaging the threads. In addition, by repeatedly rubbing the Teach wood decoction and mud, the threads become soft and supple, and the mud-dyed clothing is less likely to wrinkle, is light, does not fall apart, is resistant to fire and dirt, and is less likely to generate static electricity. It has excellent characteristics. The gentle, deep, powerful, and astringent colors that cannot be synthesized with chemical dyes can be said to be a gift of rich nature that nurtures the heart from the earth and the mother of the earth.