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

• 100% Polyester