bou_019 Material / Cotton Nylon Polyurethane Size / 23-25cm 25-27cm Color / Navy Made in Japan Based on the brand's representative work, OC Pile Crew, it is called tube mura dyeing It has been dyed. It is a method of packing the product into a tube and pouring dye into it, depending on the direction and way of the product. It is characterized by a change in dyeing rate. It is less regular than tie-dye, and the expression is different for each pair. While maintaining the comfort, the color is multiplied with the rough production of organic cotton. It brings out a unique texture. The sole pile specification and instep part are made of thin jersey knit, which is calculated to have cushioning but not stiffness even when wearing sneakers or leather shoes. The design is inspired by medical socks for diabetic patients in Europe and the United States, and is also recommended for those who are prone to swollen feet. At a factory in Nara Prefecture, Japan's largest sock production area, each pair is carefully knitted and can be worn throughout the year regardless of the occasion.