This product is in the form of an insole inserted into a shoe and worn while standing, walking, or running while evenly distributing the ground reaction force acting on the sole and ankle joint while walking on the medial arch and heel of the sole. It is an assistive device to maintain a shape favorable for exercise.

Formed into a cap shape to raise and support the lowered inner calf arch due to weakness or injury of the musculoskeletal system that makes up the foot, and a cup shape to relieve pressure concentrated on the ball in the calcaneus area It is a fitting insole that uses an electric heating element to heat form the insole to suit individual differences .

This product consists of a custom insole body consisting of a pair of left and right symmetry, and a mold regulator part with control and protection functions to safely adjust the molding temperature and time of the custom insole .