Main material is "MOMOTARO" original which dyed by natural indigo in our own dyeing factory and weaved by our hand weaving loom which exist only two at here in the world. We prepare indigo dying stuff from fermentation and grow them up with good treatment. Such as like we give them "SAKE (rice wine)" to help their fermentation. We dye "ZIMBABWE COTTON YARN" by hand, and then weave it to denim by hand-weaving looms which we can only produce 1 meter per day. This model has beautiful blue which is only deliverd by natural indigo and rustic taste which is created only hand woven with sterling silver button, patch of "JAPANESE SASHIKO"natural indigo dyed with hand stitches, and etc. This is premium JEANS. It is one washed by Marin essence same as "SETO-SEA" water, which enough mineral is contained.