This beautiful, comfortable Coolibar UV shirt in classic blue and white striped design was made using the newest technology: ZnO SUNTECT®. The fabric contains particles of zinc oxide to ensure that both UVA and UVB rays are blocked. The shirt feels light and soft on the skin which makes it perfect when the weather is hot. The special fabric contains a mix of natural cotton and viscose, bamboo and spandex. The UV-protection factor of UPF 50+ makes sure you are well protected from the sun, and the long sleeves will keep your arms sunburn free as well. Wear this shirt for activities such as going to the park with your dog, a day at the beach or a nice walk. Coolibar is an American clothing brand and expert in the field of UV-protective clothing. As a lifestyle brand for ladies, men and children they offer a wide range of high quality garments. The beautiful UV-wear ensures a 98% protection against harmful UV radiation, which equals a permanent UPF of 50+. Always on trend, the Coolibar designs are a great choice for all who value style and class. All fabrics used are extensively tested by being washed over forty times and exposed to UV radiation for more than one hundred hours. This way you can fully rely on your Coolibar item to keep you safe from the sun! Note: Avoid swimming, not chlorine and saltwater resistant or water repellent.