Multi-sport friendly, the NRS Men's H2Core?Silkweight Short-Sleeve Shirt wicks moisture, dries fast and provides UPF 50+ sun protection on the trail, on the boat and on the beach.. . ?. . . Quick-drying technical fabric provides maximum sun protection.. Regular fit for casual comfort by itself or under a PFD.. Deliberate seam placement delivers friction-free zones under the arms for paddling and rowing comfort.. Silkweight fabrics enhance the body's natural cooling process by wicking excess moisture and drying quickly for cool comfort on the water.. Weight: 8 oz. Collections: Silkweight. Fabric: 5.4 oz. 92% polyester / 8% spandex blend. Collar: Crew. Fit: Regular fit. UPF 50+. Imported.