Nike Air Monarch IV - Men's The Nike Air Monarch IV is a training shoe that has what it takes to get you through your workout in style and comfort. Great cushioning with a comfortable and versatile upper. Durable, supportive low-cut leather upper. Lightweight Phylon™ midsole with full-length, encapsulated Air-Sole™ unit delivers additional cushioning from heel-to-toe. Durable solid rubber outsole with aggressive traction pattern.