NIKE New 2015 Golf True Vapor Ultralight Hat Color: Black Size: Adjustable Dri-FIT fabric helps keep you dry and comfortable Six-panel design with interior taping for a comfortable fit Embroidered eyelets at front panels and mesh back panels enhance airflow Strap closure with VELCRO brand fastenerat back provides a custom fit Fabric: Body: Dri-FIT 100% polyester.Front lining: Dri-FIT 91% recycled polyester/9% spandex.