Step into a world of ultimate support, cushioning, flexibility, and built-in arch support, all meticulously designed for walkability. Our exclusive alignment Vio Motion Technology ensures the perfect balance for your entire being. The water-repellent upper is treated with a coating to repel water on contact, and we recommend reapplying a water-repellent spray to extend the life of the shoe. Premium upper materials and a durable synthetic outsole are designed to withstand everyday wear. The lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles, and knees. For optimal comfort, wear your new Vionic shoes for a few hours to let your feet adapt. Within 1-2 weeks, you should experience full orthotic comfort and support. Upper: Leather. Lining & Sock & Sole: Other. Heel height approx. 5.71 cm.