The Dreamwalker Camp 650 Sleeping Bag 700 Duck Down is part of Exped's Trekking series. The sleeping bags in the Trekking category are designed to withstand the rigors and go anywhere. Dreamwalker Camp is the ingeniously versatile sleeping bag that can also be used as a comforter or worn like a coat. Why not use all that insulation for something more than sleeping Be the warmest person hanging around camp!Exped guarantees that their down originates from ducks and geese reared in a livestock friendly environment. They are given access to outdoor grazing, a constant supply of water, fodder, and shelter, and are free from force feeding for liver production and live plucking. The down originates from Poland, Ukraine, or Russia. Their German supplier is a traditional, well established company with a 120 year history in the field and is independently certified for the above criteria.