Why the price difference between this and...
Why the price difference between this and the Acrux? They seem pretty similar to me...
Nevermind...the price difference is because the Acrux of similar size is on sale...however, is there an advantage to this pack over the Acrux?
The Naos has more padding on the back, as well as in the single-piece hip belt, which has a pivot, to reduce chafing. Also, Naos has a couple external pockets.
The biggest advantage is the swivel hipbelt. I own the Naos 55, and I can say that the swivel lets the pack move with you, no matter how contorted you become while scrambling over obstacles. It really feels like a part of you. The Acrux uses a conventional fixed hipbelt, so you won't get the same sense of being one with your gear. Nevertheless, I'm sure it's a fine pack.