This is a strong and Durable backpack.
The perfect fit system can let this pack fit for more people but I will recommend you got a big mirror or somebody help for fitting this pack.
Every pockets are huge except the hydration pack pocket which is too narrow and cannot fit my Osprey 3L Hydraulics Reservoir.
The Lumbar support is great but I think the Belt is fitting for waist over 29"/30".
I'm 170cm/70kg and I almost tip up all of the girdle.
This pack got a removable spread inside for create a sleeping bag compartment.
However, the lowest bottom of this pack only got about 20-23cm wide and it means if your sleeping bag is longer than 23cm, it will left space after the sleeping bag was put in.
The 10 L removable daypack is really convenient and it got a Hydration export.
Anyways, I love this pack and I think it worth the price.
This review was written in the old system and had content requirements that are different than reviews written today.