Aureus Men's Clasico Nubuck Leather Low Top Boat Shoe 100% Genuine Nubuck Leather Upper for a premium feel, smoothness, and durability. AM-TECH Sole Technology - Specialized direct injected sole construction consisting of a lightweight cushioning polyurethane (PU) midsole and a lightweight durable thermoplastic polyurethane (TPU) outsole that is scientifically engineered to make the shoe lightweight and the sole never to separate. Ultra comfortable and lightweight polyurethane insole cushion make you light on your feet and ready to move all day. Elastic Shoelaces - Easy slip on and off system save you the trouble of tying and untying your shoes. Aureus footwear is only made from eco-friendly materials that are good for your feet and the environment. All Aureus footwear comes with a shoe care package to keep your shoes in good condition, including a shoe brush for cleaning the leather and a reusable shoe tree to maintain its shape.