A modern update to our customer-favorite Midi Perf, Kani features a streamlined, sporty design with just the right amount of delicate perforated detailing. Upper: Suede.. Footbed: Removable Twill-Covered EVA Orthotic Insert. Outsole: Durable Rubber Biomechanically designed to hug your arches, Orthaheel Technology helps support natural alignment from the ground up.