OFFICE Swift Double Strap Footbed Flat Sandals Black Womens Sandals Fussbett Leather Sandals in Black Marni Mytheresa Fussbett Double Strap Sandal in Black Buy Black Suede Forever Comfort Double Strap Footbed Sandals from the Marni Black Fussbett Sandals Marni. The pair you'll be reaching for all summer long, the Fussbett Double Strap Sandal in Black from MARNI are designed to fit seamlessly into your daily. They've been made from naplack effect patent leather, interlinked with suede accents, with a clean double strap silhouette and adjustable back velcro closure. Understated yet distinctive, these sandals bring quiet modernity to every step.