Powerstep Pinnacle insoles are designed to help those who suffer from over-pronation (mild to moderate), flat feet, arch, and heel pain (plantar fasciitis), calluses, hammertoe, clow toe, bunions (hallux abducto valgus), neuoroma, ankle, and knee (patello-femoral) pain. They can be used in athletic, dress, and casual shoes. Power Pinnacle insoles offer amazing comfort and relief from painful medical foot conditions. These inserts provide the perfect balance of foot control, spring, and offer long-life cushioning. They also help control foot odor!