Rating: 4 / 5
This is the bigger version of the GoLite Infinity, which has now been replaced by the Odyssey and Quest.
4600 ci (75 L) size L (3250 ci main compartment + 850 ci pockets + 500 ci extension collar).
The pack body and compartments are well organized save for the water bottle pockets, which cannot be accessed while wearing the pack. The internal hydration hoser pocket helps distribute weight effectively. For a lightweight pack the material is fairly robust (their newer packs are slightly lighter and larger in size, possibly less tough).
Cons: Despite the generous size, this pack (and several other GoLite models I've used) does not effectively transfer weight to the hips at larger loads (30+ pounds for me, 6ft tall, 170 lbs). The hip belt is uncomfortable and fairly stiff when carrying larger loads as well.
I find it is a terrific pack if I am not trying to carry too much, but don't expect GoLite packs to be versatile entities if you need to carry a large load.