MSR Twin Sisters Two-Person Tent Ultralight tarp shelter for backcountry minimalists--sleeps 2 Peak ventilation keeps condensation at bay Pitch it with ski or trekking poles or guy it out from overhead (shelter does not include poles) 45 square foot total interior space); 1 door Weighs 1 pound, 12 ounces; packs down to 8 x 6 inches