Yup, I have a Gen. 1 NICE that I have packed a weighed 90+ lbs. on and in comfort. I know that this is nothing for some mighty dudes, but, I am doing this in my 60s and this pack is among the most comfortable I have ever used.
I have a later NICE frame as well, the one with five belt segments and it does not feel quite as good as the above, but, compared to most other large packs I have toted, it is just fine.
Fit, fit, and fit and then, using an item of gear as it was intended by the designer. For example, I almost killed myself long ago, trying to climb very steep rock in "The Valhallas" of the West Kootenays, wearing a large frame pack....but, we used what we could get and were fit enough to make it work.
