Based on LOT.703, the leather jacket devoid of as much details as possible while paying attention to the leather thickness. The item uses vegetable-tanned leather made from horsehide, using a tanning technique called pit-tanning. In the method, hides are soaked for a long time in a pit filled with vegetable resin tannin. As it requires a lot of time and effort _ the soaking phase takes about a month _ only a few companies practice this method in Japan. "Nappalan", a process to coat napped surface with resin coating, is applied on the reverse side of the leather. The use of a single piece gives a lightweight feel to the item. The single-ply design also allows wearers to get their original wrinkles and fading looks matching their use. BLACK uses horsehide with brown core, the brown eventually manifests when the black color fades over time.

HORSE LEATHER