We have continuously prpmoted technical innovations in the dyeing for denim based on Japanese traditional indigo dyeing ("AI-ZOME")Technology.

Color policy > Working process >

The world’s first Eco-friendly Indigo dyeing system

In 2010, the fourth generation Sakamoto developed such an environmentally friendly dyeing method because he was concerned about using a large amount of chemicals for dyeing processing even on organic cotton yarn.

Environmental initiatives >



Denim collection

We can sell you any quantity of our denim following your requirement.

 Denim collection > 


Rassie's house

In 2016, we developed the original denim goods for dogs,The brand is "Rassie".
If you are interested in that, please check the Facebook and web blogs!

Rassie's house > Facebook