Zoot Ultra IceFil Cap You'll enjoy the Ultra IceFil® Cap on your hot Summer runs. IceFil® beats the heat by responding to elevated skin temperatures with a cooling technology called Icefil®. ULTRAcell AC with Icefil® combines Xylitol and thermal radiation nano technology, reducing skin temperature up to 5.4ºF/3ºC. UPF 50+ protection.
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