Runners need more from their hats than just keeping the sun out of their eyes. These are also light, stretchy, and breathable, with a built-in, cool-to-the-touch sweatband. Every runner needs a couple of these Ultra-light stretch woven fabric is durable & breathable Iso-Chill sweatband helps disperse body heat, making it feel cool to the touch Laser perforations for added ventilation where you need it Low-profile, adjustable hook & loop closure to avoid hair snagging Style #: 1361542 Reflective logos 100% Polyester Imported One Size Fits Most UA Free Fit: pre-curved visor & unstructured front conforms to your head for a sleek, low profile fit