Opanka

In shoe construction, a method of sewing the upper, lining, and outsole together in a single process. Not only does this make shoes extremely flexible and comfortable, but it also creates a cushioning effect. As a result, the bottom of the shoe will conform to the foot and recover with foot movement. With Three-Quarter Opanka construction the upper, the sock lining, and the outsole are sewn together from the mid heel to the forepart of the foot.