3/4 Length cushioned insole that relieves heel and arch pain using medical grade theraputic orthotics. First in line therapy for mild overpronation.  Powerstep Protech 3/4 lenght is a unique podiatric support system designed to relieve heel and arch pain and prevent foot strain and injury by providing complete foot support and comfort while stabalizing the foot in a neutral position. Moderate cushioning and full support.