Product details • Sports shoe • Flat heel • Fastening: lace-up. Uppers: 100% leather. Lining: 100% polyester. Cushioning: 64% EVA, 13% other materials, 12% cotton, 11% rubber. Sole: 100% rubber. 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.).