Women's Earth174; EXER-WALK Lace Up Sneakers 100% Leather and mesh Rubber sole 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.