With a simple slip on style the Birkenstock Women's Madrid Single Strap Patent Sandals in white feature a Birko Flor® synthetic single strap to the upper which can be adjusted with a buckle. Set upon an EVA rubber sole for maximum grip the sandals have a padded footbed and orthopaedic fit for comfort with each step. K.D. Women's Madrid Single Strap Sandals by Birkenstock Birko Flor® upper Single strap Buckle detail Padded footbed Orthopaedic fit Rubber sole