Workcool Hyperfreeze is a market leading cooling technology that has been designed to help keep you cool and comfortable, even in hot and humid conditions. The Workcool Hyperfreeze Hi-Vis Polo will keep you cool and protected while on the job site. Hyperfreeze fabric finish for added cooling Chest pocket with button closure Flat seam construction for next to body comfort Materials: 100% Polyester 165gsm Features: High Visibility Day - This symbol indicates which garments have been designed to comply with AS/NZS 4602.1.2011. These garments give you confidence that you will be visible at work. UPF Rating - An Ultraviolet Protection Factor (UPF) rating for Ultraviolet Radiation transmitted through a fabric onto the skin. Look for garments with a UPF 50+ rating to be assured of excellent protection. These garments have been designed to comply with AS/NZS 4399:1996.