Workcool Hyperfreeze is a market leading cooling innovation that harnesses your sweat to lower the temperature of the fabric and keep you cool. Hyperfreeze fabric finish for added cooling Side mesh panels for increased airflow and cooling Welt chest pocket with button closure and pen partition Flat seam construction for next to body comfort Highlights AirflowEngineered ventilation placed in high heat zones to allow air to flow through to the body, improving breathability and keeping the wearer cool and comfortable. Materials 100% Polyester 170gsm KingGee Workcool Polo Shirt Sleeve K69789