Lululemon Womens Fast and Free Ponytail Running Hat - White 。Run fast and let your hair free. This sweat-wicking hat has a wide back opening that fits your ponytail and gives you airflow. Designed for Running Fabric •Swift fabric is lightweight, four-way stretch, sweat-wicking, and quick-drying • Interior mesh fabric sweatband wicks moisture to help keep you dry Product Features •Reflective details •Adjustable back closure for a custom fit Material and care Materials Lining: 82% Nylon, 18% Lycra Elastane Body: 86% Polyester, 14% Elastane Care Hand Wash Cold Do Not Bleach Lay Flat To Dry Do Not Iron Do Not Dry Clean •N/A