Whether it's board rash, sunburn or chilly morning/evening air, this shirt protects your skin come beach time. That's because not only do the long-sleeves give you super coverage, but it also has 50+ UPF protection built right in to the fabric. And speaking of the fabric, it's made of a blend of PET (recycled plastic bottles) and spandex so it's lightweight and flexible. And that's not all. This style also features our HydroPrint technology that makes hidden designs appear when wet making this shirt something special whether you're trying to hide from the sun or stand out from the crowd.