Mephisto Sandals Helen Red Helen women's sandals are ultra-comfortable with anatomic footbed integrating Air-Relax Technology to reduce shock to a minimum. The innovative AIR-RELAX TECHNOLOGY is the secret behind the extraordinary walking comfort when wearing any MEPHISTO shoes. It relieves the joints, vertebrae and the spine - it is like walking on a soft carpet of moss, making you feel fit and full of energy even after many hours of wear. - Oiled nubuck leather upper - Normal fit - Adjustable buckle strap - Contoured footbed - Heel: 1.5 cm - Stops feet getting tired - Maximum comfort