PCSSOLE Strong firm support insoles give your foot more comfort PODIATRIST DESIGN SUPPORT: The 3/4 insole provides strong firm arch support for foot and arch, reducing pain and discomfort of foot and heel. Designed to support the heel and arch to reduce foot and heel pain caused by plantar fasciitis, flat feet and fallen arches. How is it made? 1.Conforms to the ergonomic arc arch design and fits the heel and arch; 2.