The website at the link below discusses flat feet and Down syndrome. The website also contains information about j1 insoles, a line of medical grade insoles for adults and children that are less expensive than prescription orthotics.
What are Flat Feet?
**Please note: We are sharing information about this product for educational purposes only. The Adult Down Syndrome Center does not receive financial support or compensation for sharing information about this product. We recommend that you discuss the insoles with your healthcare provider.