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: LeatherLining: Leather, FabricSole: Polyurethane (PU)Heel height approx. 2.5 cm (1 in)Fastening: Slip-OnFitting: Wide