Ah, for down application of course, didn't catch that part. There you want just as windproof/everything resistant as possible, and when it's too hot, you open/p

Ah, for down application of course, didn't catch that part. There you want just as windproof/everything resistant as possible, and when it's too hot, you open/put it down. Would be interesting to see comparison of actual benefits compared to current high tech fabrics used, all high-fill lightweight down stuff has some nanotech fabric to keep it light & durable.