Our lightest and most packable down jacket. This lightweight down jacket is developed for mountaineering and works for a wide range of outdoor activities. You can use it both as a mid-layer and outer layer, making it a 4-season garment. We use a lightweight aeroDownproof face fabric because it provides great weather protection, lightweight good durability-to-weight and soft touch. We use 800+ fill power down because it offers great- packability and -insulation-to-weight values. The aeroDownproof fabric is a 100% recycled 10D nylon, 28gm2. We use RDS-certified 800+ fill power 90/10 duck down. Key features include: Two hand pockets, a high and protective collar, elastic bottom hem and cuffs, and an exterior hang loop. The jacket has a technical fit with a longer cut in the back for extra protection.