An insulated shirt jacket utilising WINDSTOPPER by GORE-TEX LABS, and Octa-Mesh product technology. This style features zip front, angled side pockets, and is designed to be a versatile and adaptable shirt jacket as a lightweight solution for transitional weather. The totally windproof, yet extremely breathable membrane blocks the wind and allows vapour to escape. This combination of protection and breathability minimizes the winds chilling effect while reducing the risk of overheating when active. A durable recycled outer fabric and DWR treatment provides you with the additional protection of water repellency. Insulated with Octa-Mesh low weight high performance octagonal filament mesh. Sten Gore-Tex Windstopper Insulated Shirt Jacket - Sediment Green