✔️ Design: If you've checked out the Protalus structure, just recognize that the Superfeet did it first. They had been among the very first to incorporate an orthotic plastic layer on the outside of your insole. Arch supports, or orthotics, can keep your feet stable while standing or going for walks, https://www.theorthopaedicandpainpractice.com/a-comprehensive-guide-to-treating-foot-heel-pain/