Worn a few times to run errands, my hair is too thin to keep the hat in place even with a high pony. Hand washed, and in great condition. Product Details Designed for Running Swift fabric is lightweight, four-way stretch, sweat-wicking, and quick-drying Interior mesh fabric sweatband wicks moisture to help keep you dry 100% of the polyester in this product is recycled (excluding trims) Adjustable back closure for a custom fit Reflective details Wide opening at the back for your ponytail