Vionic's update on the timeless Mary Jane flat. The sophisticated square toe and perfect proportions is the ultimate in quiet luxury. Featuring adjustable strap for the perfect fit, and biomechanically designed footbed for comfort that keeps you in motion. Each pair includes two insoles so you can enjoy custom comfort and fit. Upper: Leather. Footbed: Removable microfiber wrapped EVA. Outsole: TR. Biomechanically designed to hug your arches, Vio-Motion Technology helps support natural alignment from the ground up. Received APMA Seal of Acceptance.