360° Airflow Fabric - Patent Pending Machine Washable Dynamic 4-way Stretch Non-Iron Hyper-breathable "T" Logo Pull AIR Fabric: 76% Nylon / 24% Spandex Polos are the perfect blend of fashion: stylish and comfortable, with just enough of a dressy edge. Using our patent-pending 360° Airflow Fabric, we elevated the polo concept with the AIR Zip Polo for a soft, ultra-breathable shirt that moves with you. Wear one of these for a day on the green or a business-casual summer afternoon and you'll never lose your cool.