Z-1 HDVThe Z 1 HDv Shell jacket with a detachable vest is feature wise one of the flagship pieces of our collection. Our idea is that if you are going to buy just one jacket for skiing, mountaineering, hiking, travelling or just about any year round outdoor use that also is for urban use; commuting to work or as rain protection in the city, then this is the one. Functionality and urban versatility is what The Mountain Studio is all about. Use it as the outer