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
• Adjustable snapback closure
• OSFM