From Twisted X, the Men's Chelsea Driving Moc Boots features: Full-grain leather upper Oil and slip resistant Double gore panels that flex and heel pull-tab for ease of sliding on Removable, moisture-wicking, antibacterial and machine washable molded footbed Compression-molded EVA midsole integrated with Twisted X® patent-pending CellStretch® comfort technology and a nylon/glass fiber shank provide long-lasting comfort, stability and durability Molded rubber outsole with rice husk blend provides durability Imported.