The Jesse moc toe slip-on dress shoe features a leather upper, leather linings, a Bio Comfort Advanced Sock Liner with Suedetec, and a new F-LITE EMAX sole.The Bio Comfort Sock Liner System is Bio-mechanically designed to be breathable, moisture-wicking, and provide excellent shock absorption.The F-LITE EMAX sole is made with a lightweight, high performance micro-cellular based material with excellent cushioning and energy return properties that last throughout the life of the shoe.This shoe has been awarded the Seal of Acceptance by the American Podiatric Medical Association. Non-metal shank - Airport friendly