Mountain Equipment Glacier 1000 down sleeping bag is an extremely warm bag with water-repellent outer shell. The sleeping bag is thus perfectly suited for extremely cold and wet conditions. Regardless of whether you're planning on sleeping at very high altitudes or camping in the winter, the Glacier 1000 will provide optimal protection and warmth. Despite the excellent thermal efficiency, the sleeping bag is also lightweight and very packable, making it easy to pack. The bag is generously sized with a mountain fit, which is both spacious and thermally efficient. The sleeping bag is filled with pure duck down. The 6 baffle anatomically shaped footbox is roomy and comfortable. For the outer shell, Drilite Loft II was used, which is not only wind resistant and water resistant but also lightweight and breathable. The lining is made of very robust and breathable nylon, which is also very soft and light. Of course, the Mountain Equipment Glacier 1000 sleeping bag comes with a waterproof stuff sack to keep it dry as well as a cube for storing the bag between tours. With the Mountain Equipment Glacier 1000 down sleeping bag, every tour will turn out to be a great experience.