SUN CUBE Womens Sun Visor Hat, Beach Straw Roll Up Ponytail 。Women\'s Summer Pink Sun-Hat Ponytail - Outdoor UV-Protection Mesh Wide Brim Foldable: Enjoy the outdoors with this Women\'s Summer Sun-Hat. Made of quick-drying, breathable polyester, this sun hat provides UPF protection from sunshine and damaging rays for your face and neck. A breathable mesh layer inside improves cooling and airflow. This casual style sun hat fits most with a circumference of 21\"-23\". The functional and versatile design includes a large brim to shade your forehead, a ponytail opening in the back, and buttons on both sides for different styles. An adjustable chin drawstring helps keep the hat in place on windy days.