Our most popular clog in an ultra-lightweight version. The Boston EVA is made of water-resistant material, offering a flexible structure based on the famous BIRKENSTOCK anatomical footbed. Perfect for pre-workout, post-workout or rest days. Anatomical footbed for legendary BIRKENSTOCK support One-piece molded EVA style Water-resistant, flexible and ultra-lightweight Adjustable strap with tone-on-tone buckle Made in Germany