Featuring Dri-FIT technology, Women's Nike Legacy91 Golf Hat is designed to help you stay dry and comfortable. An adjustable closure lets you customize the fit. - Dri-FIT technology helps keep you dry and comfortable. - Adjustable closure for a customizable fit. - Embroidered eyelets help enhance breathability. - Soft hook-and-loop closure provides a customizable fit. - Thumb tab allows you to easily adjust your fit. - 100% POLYESTER