Our lightest most packable waterproof jacket. This lightweight shell jacket (248g size L) is made for all-year mountaineering but works great for general outdoor activities from trekking to ski touring. It's very packable and therefore easy to always bring along. We use the dri1 fabric because it is light packable durable breathable (20,000g MVTR) and waterproof (20,000 Hydrostatic head/water column). The dri1 fabric is made of 100% post consumer recycled Nylon face fabric made from Bureo yarns 22d 73g/m2. The inside of this textile creates a small microclimate between you and the PU membrane. In addition the dri1 has a PFC-free impregnation.