1. Arch half-pad, soft and comfortable, anti-wear and slip resistance, arch support 2. Arch support area: it acts as shock absorption and buffer 3. Heel wrap area: Balance the ball of the foot with the shoe 4. Foot massage area: gentle massage area, 5. Heel cutout: Make sure there is plenty of buffer between the heel and the shoe 6. Comfortable use, healthy bonus points, balanced stress, comfortable feet 7. U 4D wrap, fits heel to firm heel 8. Fit heel, absorb shock and slow pressure
