HPX smock for an MPX price Engineered from the toughest GORE-TEX® Pro fabric with an Ocean Technology® membrane and GORE™ Micro Grid Backer, the HPX Pro Series Smock offers superior water and windproof protection and impeccable breathability. An enhanced design that utilises the minimal number of panels and seams has optimised durability and created a lighter, higher-performing garment. Proven by Volvo Ocean Race sailors to withstand extreme Southern Ocean conditions. *Please note - This item has been in storage for a time and as a result may have some light marking on the outer shell. This does not affect the performance of the garment in anyway. It's purely cosmetic.