This is the hat that Jordan Spieth wears on the hottest course on the tour. It has all-over ventilation and UA Iso-Chill technology in the sweatband, to help keep him cool. 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 #: 1361545 Embroidered logo 100% Polyester Imported Stretch Fit UA Classic Fit: pre-curved visor & structured front panels that maintains shape with a low profile fit