Japanese people have a very low awareness of foot health, even among developed countries, and many suffer from foot fatigue. Why are Japanese people unable to protect their foot health? The reason is that the history of wearing shoes in Europe and the United States is roughly 400 years old, compared to just 80 years in Japan. This is said to be due in part to the influence of the long tradition of living on tatami mats and the culture of geta sandals. The costs of poor foot health are felt by many, including athletes and workers, but are also thought to place a heavy burden on the economy and health insurance. "Ashimaru Insoles" offer excellent foot support, easing strain on the feet, knees, and hips. Japanese-made half insoles are easily interchangeable with a variety of shoes, resulting in a rapid increase in their popularity.