EMS Chelan II Hat
Here's what other sites are saying:
Very compressible, you can roll this UPF 50 sun hat and stuff it in your pack or pocket when not needed.. . . . Made from lightweight nylon ripstop fabric. Moisture-wicking and quick-drying fabric keeps you comfortable. Polyester mesh sweatband wicks perspiration. UPF 50+ blocks harmful UV rays for maximum sun protection. Removable chin strap with cord lock for secure hold when it's windy. Elastic drawcord with cord lock at back for size adjustments. Brim width: 3 in. (7.62 cm)-keeps sun off back of neck and shields the eyes. Opening circumference: 23.6 in.. One size. Machine wash cold; gentle cycle only; lay flat to dry.