It is a woven hemp fabric which has been manufactured in the city of Ojiya, Niigata Prefecture for centuries. Natural bast fibers, which is extracted from a ramie plant (Boehmeria nivea), are used for ojiyachijimi.
The fabric is characterized by its crepe appearance. The light-weighted and breathable fabric has been used for the summer garments. It was designated as an important intangible cultural heritage in 1955.