COMFORTABLY WARMPerfect for warm weather adventures, our ultralight men's MicroCool Long Sleeve Hoodie actually lowers skin temperature as the mercury rises, providing an instant cooling sensation on the trail. The UPF 50-rated shirt features an airy construction to promote ventilation and meticulously crafted details to ensure exceptional comfort and performance. The fitted hood offers great sun protection! FEATURES55% Cooling Polyester, 45% Micro-Cooling NylonMicroCool Cooling Technology Nano-mineral particles draw heat away to lower skin temperature Aqua-channels enhance wicking and dry times Permanent antimicrobial treatmentStrategically placed mesh panels for enhanced breathability, functional thumbholes, 2-piece articulated hood