Fusion Dry 1700+ is as warm as you can get a down sleeping bag designed for the most extreme uses. It is an ultra warm, heavy and robust down sleeping bag designed for use in arctic conditions or in the mountains.
The outer fabric is made of very durable material with improved water-repellent function and is extremely breathable. The down filling is Yeti's own brand dry down with a coating that makes the individual down fibres water-repellent and quick-drying - without compromising insulation performance.
The Fusion Dry 1700+ features a heat collar and cold bead to keep the warm air inside the sleeping bag where it is needed, and also offers both H and S chamber construction with three-layer integrated foot chamber for added protection for the extremities. The Fusion Dry 1700 is designed for one purpose only: to be a durable and ultra warm sleeping bag for the most extreme adventures.
Crystal Down Dry
Down has a tendency to collapse when wet, which has kept down fanatics a bit frustated under very humid conditions. But not anymore. Through the sophisticated QuixDown Technology, it`s now possible to prevent the down from absorbing water. That`s why they call Crystal Down treated with this technology Crystal Down Dry.