Lightweight, elastic, durable and quick-drying fabric with ArmourVent perforation for perfect breathability. The material wicks away sweat excellently and dries very quickly. The sweatband and front panel lining made of Iso-Chill material help to dissipate body heat and maintain a pleasant cooling sensation. Adjustable snap closure. UA Classic Fit: the curved visor and structured front panels maintain a sleek, lower profile.