Experience a new kind of comfort with the Un.ravel oxford. Premium, full-grain leather upper offers immediate wear with no break-in required. Breathable leather lining. Removable, vegetable-tanned leather insole reduces foot friction. Unique air circulation system features intake vents to allow cooler, fresh air to enter. Channeled mesh creates a defined path for warm, moist air to flow and escape through exhaust vents. Lightweight