Marni: Black Fussbett Sandals SSENSE Fussbett Double Strap Sandal in Black Reiss Leather Double Strap Sandals in Black REISS Fussbett Sandals Marni Black Fussbett Sandals Marni Marni Fussbett Crossed Sandal Black END.. 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.