Click here for more details: www.amazon.com SANO by Mephisto Men’s Yoann Sandal The Yoann sandal is the perfect active shoe! This sandal features Mephisto’s Sano technology! Walking with Sano shoes allows you to stimulate long neglected muscles and eliminate muscular contractions. These shoes work to improve physical fitness and well-being. They sooth your muscles by protecting your back and improving your body posture, and improve calorie burning and activate blood circulation, helping to refine your silhouette.