The theme of the H series was inspired by the novelist Junichiro Tanizaki's essay "In-ei Raisan / In Praise of Shadows" (1933), a work of modern Japanese literature. The beauty that dwells in the deep black color is simple and functional, and is expressed in the subtractive design. The improved Munson Last was adopted and became a simple yet RDT-inspired shoe with outstanding comfort and walkability.The leather used is finished the Dutch calf leather, known as "kip" in Japan, as box calf in Japan. Its captivating transparency and fine-grained texture make it a leather of Japanese beauty. It's beautiful leather, functional beauty, and lean design are the result of an ambitious pursuit of aesthetics unique to the Japanese.