NRS H2Core? Silkweight fabrics maximize breathability and sun protection while enhancing the body's natural cooling process. A relaxed fit provides casual comfort on and off the water. Hoodie style provides an extra measure of shade and style.Hoodie design with large kangaroo pocket gives you casual comfort and functionality on the water, in camp and around town. Provides advanced sun protection for SUP, kayaking, rafting and other active water sports. UPF 30 Friction-free zones under the arms ensure comfortable paddling and rowing. Thumb holes prevent sleeve creep and help shade your hands. Wicks moisture away from the skin, breathes freely and dries quickly for cool comfort on the water.