Coolcore® cooling technology and UPF50 are combined to make Simms most advanced sungaiter to date. Powered by COR3™ fabric tech, this hardworking piece wicks moisture and neutralizes unwanted odors at the source. Coolcore® ensures up to 30% lower surface temperature when wet. In addition, full coverage gaiter design protects you from the sun's rays. Raglan sleeves allow for unrestricted movement.