Our lightest, easiest-to-carry down jacket. This lightweight down jacket was designed for mountaineering and is suitable for a wide range of outdoor activities. You can use it as both a mid-layer and an outer layer, making it a 4-season garment. We use lightweight aeroDownproof outer fabric because it offers excellent weather protection, good durability for weight and a soft feel We use 800+ goose down because it offers great packability and a good insulation-to-weight ratio. The aeroDownproof fabric is 100% recycled 10D nylon, 28gm2. We use 90/10 duck down certified RDS 800+ fill power. Its main features are as follows: Two hand pockets, a high, protective collar, elastic hem and cuffs, and an external hanging loop. The jacket has a technical cut with a longer cut in the back for extra protection.