Lightweight, elastic, durable and quick-drying fabric with ArmourVent perforation for perfect breathability. The material wicks away sweat and dries very quickly. The Iso-Chill wristband and front panel lining help dissipate body heat to maintain a cosy cooling sensation. Stretch construction for a comfortable fit. UA Classic Fit: curved visor and textured front panels maintain a sleek, lower profile. Material Type: Synthetic Colour: Blue Material: 100% polyester Technology: ArmourVent, Iso-Chill - Specially designed fibers that are flat to the skin, evenly disperse body heat and provide instant cooling. The added titanium dioxide absorbs UV rays and quickly dissipates heat away from the body.