Providing comfort, breathability, and excellent protection from the sun's harmful rays, the Stohlquist Men's S/S Rashguard is a great solo piece for long summer days spent on the water. . 7.0 oz. nylon/spandex blend is lightweight, highly breathable, and quick drying. Loose-fitting, t-shirt styling provides maximum comfort and mobility. Durable flatlock stitch construction reduces the risk of chafing. UPF50+ offers maximum sun protection.