Simms SunGaiter CoolLike air conditioning for your head, the Simms SunGaiter(TM) Cool can put a chill on the hottest, most scorching fishing trips. Built from sun-blocking SolarFlexA(R) UPF 50 stretch fabric, this lightweight, breathable gaiter sports CoolcoreA(R) technology that can lower the surface temperature up to 30% when wet.FeaturesLightweight, quick-drying, & breathable stretch fabricCoolcoreA(R) Technology offers up to 30% cooler surface temperature when wetLaser-cut breathing holesUPF 50 sun protectionFABRIC TECH: SolarFlexA(R) stretch fabric: 92% polyester/8% spandex