The Breathe Sandal features soft leather upper and lining, with secure strap fastening for generous fit. These easy to wear sandals feature Body Shoe technology to support the natural movement of your body, with cushion comfort footbed and flex sole.- Body Shoe Bounce: Our iconic Bounce footbed combined with a custom, 3D-printed heel pod to provide superior, long lasting cushioning.- Leather Upper.- Aegis anti-microbial linings withing the shoe kill microbes on contact, protecting your feet from bacteria