Tackle any challenge head on with the Argon L/S Tee. This technical layer keeps you cool, dry, and odor-free throughout all four seasons with a powerful blend of technologies. Outdoor Research proprietary AirVent™ moisture management technology wicks sweat so you can stay dry and focused, UPF 30 blocks harmful UV rays from reaching your skin, and ActiveFresh™ odor control wards off smells even after days of use. A full 83% of this top is made from recycled materials that perform just as well as those brand new, while placing a little less strain on the planet.