This insole is recommended for the following people. ・ I want to reduce fatigue on the soles of my feet ・ I want to wear shoes that stick to my feet ・ I want to eliminate forward slippage If you are concerned about the above, the longitudinal arch of the foot is collapsed. By adding Humazu Gel, the inner longitudinal arch is aligned, and by adding Kakato Gel, the lateral longitudinal arch is aligned and the foot is less likely to slide forward. These two points, "forward slippage" and "arch of the sole", are the keys to insole adjustment. If the heel remains flaky, it will not be effective because there is a gap between the foot and the shoe. The beauty of pumps. It is recommended to use it in combination with Wiz 2mm or 3mm with the front gel of series ❶.