Designed with energy-returning Cushion+ technology, this smart ballerina pump boosts every step while providing all-day comfort with its cushioned insole. For a roomier fit, simply remove the second insole beneath the top leather covered insole. Upper & Sock: Leather Lining: Leather, Fabric Sole: Polyurethane (PU) Heel height approx. 2.5 cm (1 in).