The use of Lycra and Spandex creates a garment that is lightweight, quick drying, flexible, durable and water wicking. These shirts can be worn as stand-alone garments or as base layers under a wetsuit. The R30 Rash-Guard offers 50+ UPF UV protection, flatlock stitching and a ten-panel construction for increases mobility, wet or dry. Waterproof's award-winning innovative designed, revolutionary features and high-quality are now in a Sport Series Rash-Guards. Rash guards are great for use in the pool, beach on a boat. When worn alone the Waterproof Rash-Guard gives protection from the sun's harmful ultra-violet rays. When worn as an undergarment the rash guard allows your wet suit to slide on easier and adds an additional layer of insulation increasing warmth when you are underwater. These long-sleeved rash guards have bonded high quality nylon thread flat locked stitched seams for added comfort and durability. Rash guards are available in multiple sizes and are black in color.