The Lowland Serai 1 is a three-season sleeping bag in mummy model. Filled with 90% European Duck Down. The Serai 1 has an inside pocket, drawstring, down collar and wind baffle. Also, the sleeping bag is equipped with a pre-formed hood. The Lowland Serai 1 has a moisture-regulating, windproof and water repellent Shell fabric. Because of all these properties, the Lowland Serai 1 an excellent insulation to a comfort temperature of 0°C. This sleeping bag is made in our own workshop in the Netherlands.