I took this to Europe for a 3 week backpacking trip. This was my only bag and if you pack light and go during the summer, this is more than capable. It is the maximum carry-on size for even the smallest airlines so you don't need to worry.

I brought two pairs of pants, three shorts, small jacket, 7 pairs of socks and underwear, ipad, pair of birkenstocks, bathroom toiletries, two button shirts, two polos, five t-shirts, random chargers, belt, etc. I was also able to pack and repack and get 4 or 5 souvenir t-shirts along the way.

It is definitely made durable, the shoulder straps are comfortable enough, i've read complaints that they aren't but really you should have no problems unless you are carrying this for like 2 hours or more and it's full. As you wear it in, it stretches a bit and really helps to cram more stuff in it. Really there is just the main compartment and then a waterproof pocket on the outside that is very handy. The other pockets are generally not too useful, but I would not complain too much. This is an excellent airplane travel bag if you like the idea of a convertible backpack as opposed to a suitcase which I do.

Highly recommend although I haven't done any real life comparisons as I bought this online after careful reviews.