Original S.W.A.T. Men's Chase Moc-M 100% Leather Imported Leather sole Chase outsole: slip and oil-resistant non-marking rubber with siping exceeds the ASTM F2913-11 test standards Airport friendly nylon shank for lightweight support and fatigue control Full grain leather upper for improved durability and comfort Elastic inserts for easy on/off Texon stability platform for lateral support and torsional rigidity