If you have flat feet, your feet will likely have little to no arch. You may also have flexible flat feet, meaning your feet may seemingly have an arch, but the arch flattens when you are standing or walking.  According to Dr. Lobkova, you can determine if you have flat feet at home using dark construction paper and baby powder, “Step into baby or foot powder and walk across a piece of dark construction paper. The outline of the bottom of the foot will have a thin outline on a higher arch, whereas a wider footprint suggests a flat foot type.”