Exped's Ultralite 700 Sleeping Bag 800 Goose Down is the right bag when your main focus in sleeping bag choice lies in low weight and minimal packed size for low temperature use. Its trim fit also makes it ideal as a liner within a second sleeping bag to increase the temperature rating of your sleep system.The Ultralite 700 Sleeping Bag is part of Exped's Fast and Lite series. Featherlight and extremely compressible, the Ultralite sleeping bags are for the gram counters who value minimum weight and small packed size above all else. The trim fit is ideal for those who turn with their bag during sleep. The side baffle wall is open, allowing down to be shifted between upper and lower chambers according to outside temperature and personal comfort zone. To save weight, the zipper is a lightweight YKK 3 and is reduced to 34 overall length.