The Nike AeroBill Classic99 Hat is made of 4-way stretch fabric with perforations to help you stay dry and comfortable on and off the course.

Features:

• Nike AeroBill technology combines breathability with sweat-wicking comfort
• Terry sweatband is soft and absorbent
• Laser perforations on the side panels enhance ventilation
• "Designed to the exact specifications of tour athletes." printed on the seam tape
• Silicone Swoosh design patch