Merrell Women's Chameleon Arc 2 Ventilator 100% Leather QForm technology offers the cushioning and support needed to help align a woman's stride. Nubuck, suede and mesh upper adjusts easily through an elastic cord and lock lacing system. EVA midsole with Air Cushion centers the heel at impact for better cushioning and stability. Nubuck leather, suede and mesh upper, mesh upper lining, Ortholite / polyurethane sockliner... Nylon insole, compression-molded EVA midsole with heel Air Cushion, nylon shank, etc.