I am technically an outdoor professional but for skiing (part-time). So not anything that would involve this pack. Not a crazy ultralightweight guy but I definitely think about it. Currently the Atmos was my all-time favorite. I really wanted to like the older Exos but never could enjoy carrying it. Just got this new one yesterday. Got it loaded up and wore around for a bit last night. Haven't had it out yet but I wanted to comment how happy and impressed I am that you seem to have identified and fixed all the flaws of the older one. May update this post if I think about it after I've had a chance to actually use the pack. The main problem before was that it just didn't say on my hips without making it uncomfortably tight. And even then I couldn't get the shoulders to wrap around properly. If you put anything in the hip belt pockets that problem got even worse. So the pockets were useless anyway. It looks like you've gotten rid of those and come up with a better hip belt that is designed to rest on your hip bones. Will see how well it works but so far I'm feeling good. On the old one it was very difficult to get a water bottle out of the side pockets. The new thing with the loop seems awesome. Also the side pockets weren't great for tall things because the lack of structure on the lightweight pack generally. Making them taller seems like it will have solved that problem. Last thing, which I know a lot of people mentioned, was that on the old one the mesh on the main outside pocket would tear easily. Adding the reinforced fabric there was a good move. Plus since this is a lightweight pack it's good to have a little extra there. Only thing on my wish list would be if you could figure out how to have an adjustable harness. I realize that might not be feasible at this weight, though, and I can't think of anything else I would want to trade for adjustability. Anyway thank you, looking forward to getting out there and seeing how this one works.
Steamboat Springs, CO