I've had the Nammatj 3 for a few years now (5 I reckon) and it still looks like new despite quite a bit of use. It's been car camping, on mountaineering trips with a storm in the winter, trekking above 5000m, and pitched in the desert on a hot day.
If you're trekking on a well traveled trail somewhat close to civilization (eg; the AT/PCT) you can probably get away with one of the ultralight options and save quite a bit of weight. But if you're in a remote place at high elevation and your tent failing you could likely kill you, this is the way to go. Once pitched, the Nammatj will easily handle 60+mph winds and because of its outer/inner tent design will also keep you warm. This design also lets you easily split the load with a partner and set up the outer tent first in < 1 minute. Then you can step inside and comfortably set up the inner tent without being blasted by the wind/rain/snow.
One other thing to note is that because this is a tunnel tent you do need to stake it down. That said, even on a rocky ledge you can get creative and get a good night's sleep.
Overall, 10/10 tent. You will not regret it.
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