Designed to keep you comfortable and protected, the VentTEK™ Outbound features a breathable mesh panel along the back so you stay cool. This solid performance shirt also wicks away moisture, fights odor, and includes features like a hidden sunglass cloth and easy Velcro® closure pockets. VentTEK Outbound Classic Fit Shirt Product Features : AriatTEK® for superior performance in any weatherGreater Arm Mobility for freedom of movementMoisture Movement Technology™ wicks away moisture from skinVentTEK™ technology enables airflowSun Protection Fabric™ with UPF rating of 50Bluesign® fabric meets strict environmental standards, Hidden collar buttons, Hidden microfiber lens cloth on shirt tailBreathable mesh backOdor resistant, Double front Velcro® pockets Men's VentTEK Outbound Classic Fit Shirt in Blue Raven, Size: Medium by Ariat