washed once as it was purchased without tags and had spent a few trips on a retail-shopping floor Features Textured nylon poplin shell provides UPF 50 protection from harmful solar rays Polyester sweatband and mesh interior wicks sweat off your head to keep you cool and comfortable Adjust the fit of the hat with the drawcord and toggle in back Adjustable chin strap secures the Columbia Bora Bora Booney II hat when the wind picks up