- Fabric: ULTRAcell with IceFil® provides moisture activated cooling technology that responds to your sweat, reducing skin temperature up to 5.4ºF/3ºC; 6-panel low profile construction with QuikFit closure; CoolMax® terry sweatband to keep you dry and comfortable.
IceFil® combines three technologies creating a body responsive and heat repelling cooling technology in one unique fabric. Thermal radiation blocking technology blocks infrared rays creating 3.5°F of cooling. Xylitol yarn component interacts with your body's moisture creating an additional 2°F temperature drop at the skin and microdenier polyester yarns create a moisture wicking textile that pulls moisture away from your skin and helps it evaporate. 50+ UPF