Helen Plus is the WIDE fitting version of the style Helen. Mephisto Helen sandals are undoubtedly a best seller| This timelessly styled slip-on is truly the Mephisto sandal classic| It features SOFT-AIR technology with an anatomically correct, 100% natural latex and cork footbed for a custom fit and unsurpassed comfort. The Helen sandal boasts an extremely loyal following - it is not uncommon for women to own multiple pairs in several colors and textures.