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A good night’s sleep in the backcountry is never guaranteed, but when temperatures drop, the wrong sleeping pad can turn an uncomfortable night into a dangerous one. Even the warmest sleeping bag can’t fully compensate for a poorly insulated mattress that allows precious body heat to escape into the frozen ground. And when you’re miles from the trailhead, every ounce of gear matters.

That’s why finding a winter sleeping pad that combines serious insulation with low weight and easy setup is such a challenge. Fortunately, the newly updated EXPED Ultra 6.5R manages all three.…