The Huk ICON X is one of the most popular fishing shirts available. When you wear this comfortable perfect-fitting sun-blocking 30 UPF crew youll be wearing apparel that not only looks great but is built from state-of-the-art fabrics durable poly-knit construction and most advanced materials for protection against the elements. We proudly introduce our latest womens ICON X long sleeve featuring our Internal Cooling Element (I.C.E) technology - engineered at the fiber level to cause an endothermic reaction once there is any contact with moisture (sweat) causing your body temperature to drop in minutes.