The #663 combines sophistication with practicality. Featuring a sleek square toe and herringbone elastic, the #663 also has a moulded footbed to ensure you don't sacrifice style for comfort. Made from premium black full grain leather, the PU midsole and TPU outsole also provide the #663 with heat, oil, acid and organic fat resistance. Designed with a steel shank to ensure correct step flex point and assist with torsional stability, the #663 also features XRD Technology for supreme impact absorption.