Kalso Earth Women's Penchant Mary Jane 100% Leather Synthetic sole Stylish and sporty fisherman-style shoe with anatomical design Negative heel positions your heel lower than your toes at a 3.7-degree incline, promoting a natural stride to help improve posture and reduce joint stress Anatomic arch supports the medial arch, enhancing the natural walking motion BioFoam cushioning molds to the shape of your foot and absorbs shock Nubuck leather upper, elastic stretch fabric upper lining, foam footbed with Poron heel pad, polyester midsole, EVA and thermoplastic rubber outsole