ArmourVent Technology delivers ultimate breathability in a light, stretchy, durable & fast-drying fabric Material wicks sweat & dries really fast Iso-Chill sweatband & front panel lining helps disperse body heat, making it feel cool to the touch Stretch construction provides a comfortable fit Style #: 1361530 54% Nylon/31% Polyester/15% Elastane Imported UA Classic Fit: pre-curved visor & structured front panels that maintains shape with a low profile fit