Sweat doesn't stand a chance with the Under Armour Iso Chill Hat—your perfect partner for peak performance. This hat wicks sweat and dries fast to elevate your training experience. The Iso-Chill sweatband and front panel lining disperse body heat, ensuring this hat provides a cool touch. Dress your head in cool comfort and own your workouts with the Under Armour Iso Chill Hat. ArmourVent technology delivers breathability. Stretch construction provides a comfortable fit. 54% nylon/31% polyester/15% elastane.