Lightweight, elastic, durable and quick-drying fabric with ArmourVent™ perforation for perfect breathability.The material perfectly wicks away sweat and dries very quickly.The wristband and iso-Chill front panel lining help dissipate body heat and maintain a pleasant cooling feel.Adjustable rear closure.UA Classic Fit: curved visor and structured front panels maintain an elegant lower profile. Material: Elastane, polyester