Indigo Dye

Dyes, which typically have been used in blue jeans. Synthetic indigo is generally used.
Since Indigo is not directly soluble in water, it may also be used as a pigment.
Dye indigo dissolved by using an alkaline agent and reducing agent. As a result, the Indigo will be colored blue oxidized by contact with air.
It will become darker and darker by repeating it.

UES denim products have dyed the yarn with indigo rope dyeing.
This method is soaked yarn bundle in rope-like in the dye. It is developed color by making the oxidized exposed to the air.
Because of bundling rope-like, the center remains white stained only the surface of the yarn.
It creates a natural fading color and the blue-and-white contrast by using denim warp with yarn that is not steeped, while wearing the denim many times.