Soft leather upper is both flexible and breathable while retaining a professional moc-toe look. Lambskin lining with reduced stitching surrounds the foot in luxurious softness to prevent irritation and blisters. 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 "Ultra Flex" EVA outsole sole reduces lift load and foot fatigue for all-day wear. Rubber outsole pads absorb shock and add traction without weight. 1 1/4" heel.