Layer up and look good with extra protection in the Frequency Long Sleeve. Made with moisture wicking CB DryTec mélange fabric with UPF 50 and Fresh by HEIQ, the Frequency offers protection from cooler weather and harmful UV rays. Features include odor control, self-fabric mock with zipper, fabric mesh and melange blocking at back body, comfortable and flatlock seaming. CB DryTec UPF 50 mélange fabric Moisture wicking Fresh by HEIQ – odor control 100% polyester Self-fabric mock with exposed zipper Fabric mesh & melange blocking at back body Flatlock seaming Melange Imported