The Exer-Walk helps improve your posture and reduce joint stress. * Negative Heel Technology sets feet at a 3.7-degree incline to strengthen and tone muscles. * Removable footbed features BioFoam cushioning that molds to the natural shape of your foot. * Leather and mesh upper, tricot upper lining, polyfoam / tricot sockliner... * BioFoam memory foam insole, EVA midsole, injected EVA outsole.