It is developed by collaborative research between Naigai Co Ltd and Tsukuba University of Body Techno Science. 

The arch of the foot where usually absorbs and disperses the shock like a spring, lifting the whole body. It gets lower by fatigue. Especially flat footer who will slip into a vicious cycle that the inherent function deteriorates and make fatigue.

The sock functions preventing the declination of the arch by its original function of “arch fit supporter”, made of specific material and technical structure to provide different power of supporting & compression. Hence, relieves fatigue.

It is the feature that you can feel that the arch to be lifted and the socks fit comfortably with an experience you never had. Like an invisible hand lifting your arch up. The socks also suitable for sports and daily use. 

It designs with left-right direction, 3D warping support the foot. Knitted mesh face to provide ventilation and deodour yarn, foot health improving.