We got this pack in small size, and returned it after a home evaluation because the cons outweighed the pros.Pros: tons of room, comfortable fit at home, good design of storage and access, well-padded waist belt, included rain cover, awesome discount.Cons: material felt cheap and thinner than the competition, shoulder straps too narrow, no torso adjustment, padding in shoulder pads is 1/16" thick.This bag was bought to carry 20-40 pound loads on 2-5 day hiking treks (well within the 45lb load range), but I was afraid the pathetic shoulder straps might injure my wife on the long hikes if we hit the higher load range. I was disappointed to see the 1/16" padding and weak feel of the core materials. I would be surprised if it didn't rip trying to carry a 45lb load. The competing Osprey Aura felt much more heavy duty in all the materials, has somehow managed to fit extra comfy padding that is about 3/8" thick in the shoulder straps while maintaining the same pack volume and weight, has length adjustment in the belt and torso, and was only $30 more. The Aura feels like a finely crafted quality product, while I felt like I'd be getting ripped off if I kept the Cairn. The padding in my school Jansport is better than the Cairn, and it wasn't worth gambling my wife's comfort when we are out in the wilderness.