The Dorian moc toe dress shoe features a calf leather upper. It also provides sheepskin linings, a Bio Comfort sockliner, and a durable leather sole. The Dorian is part of the Florsheim Imperial line, which represents only the finest leathers and craftsmanship. The Bio Comfort Sockliner System is Bio-mechanically designed to be breathable, moisture-wicking, and provide excellent shock absorption.