Well, with a season of warmer trips on the far horizon, I’ve finally decided to get an Arc bag of some kind. Some questions:
Is Nunatak’s .85 shell fabric more breathable than pertex microlight? Is it more or less breathable than pertex quantum? In the earliest articles (before BzMtWorks’ Arc X), Ryan seems to say that he chose microlight over .85 for utmost breathability. Is that accurate, that the heavier of the two is more breathable? If there’s any other performance characteristics between the three that I should know about, besides weight, I’d welcome the input.
Cheers everyone!

