Product details • Flat heel • Fastening: slip-on • Round toeFabric content and care advice • Uppers: 100% polyester • Lining: 100% polyester • Cushioning: 100% polyester • Sole: 100% polyurethane • Leather from environmentally-certified tanneries. Leather Working Group (LWG) certification is an internationally recognised certification which assesses the environmental performance of tanneries (covering energy and water consumption, waste water, air emissions etc.)..