Snaps up for UPF coverage. Snaps down for cool. SunShell(TM) and AirShell(TM) fabrics work in sync to offer sun protection and cooling properties, delivering UPF 50+ coverage across high-exposure zones with breathable airflow through every stride. Throw it on to stay cool, comfortable, and in control when the temps rise. We love it for: Running, working out, and sun protection Semi-relaxed fit SunShell(TM) fabric: 79% Polyester, 21% Spandex AirShell(TM) fabric: 88% Recycled Polyester, 12% Polyester Upper body: UPF 100+ Lowerbody: UPF 35+ Snap henley Super lightweight and quick-drying Machine wash cold, tumble dry, don&';t bleach Designed in California, made abroad