Women's Elle Backstrap Sandal | KeenFeatures Contoured Fit follows the contours of your foot for a comfortably snug fit Foam midsole for lightweight cushioning Shock absorbing foam insole with arch support for all day comfort Higher traction rubber outsole Contains recycled P. E. T. plastic to reduce the use of virgin materials Eco Anti Odour for natural, pesticide free odour control Materials Washable stretch gore upper contains recycled P. E. T. plastic bottles Soft microfiber lining