3/4 Length Orthotic Supports These insoles help relieve heel and arch pain. These are medical-grade foot supports. Podiatrist-designed & APMA accepted to promote quality foot health. Alleviates pain associated with plantar fasciitis, arch pain, & heel spurs among other foot conditions. Supports & protects the arch, foot, ankle, knee & lower back. Double layer shock absorbing Poron/EVA cushion casing.