You don't need to attempt an unclimbed summit in Tibet to appreciate this tent, but that's what our tester did. After weathering 50-mph winds while hunkered down at 16,600 feet, he says, "The Spire is one of the best tight-quarters, two-man mountain tents available." The secret? A top-strut pole keeps the traditional X-pole design from folding in strong winds, and the double-wall construction is stormproof and condensation-free. 4.5 lbs; www.mountainhardwear.comBonus: Two doors and vestibules increase versatility when cooking, packing, and exiting.Bummer: Space is tightthe floor and doorways could use a few extra inches in every direction.