[Zipper] Simple, beautiful color and very lightweight. I really love my light blue, actually bought a few of them :)

[Empty] I purchased this to use on work trips and it's been a great add. Fits a 15" laptop and all other work accessories with room to spare. Especially like front compartment to also carry personal items that can't fit in the carry-on. The strap to attach to a roller bag is much appreciated as well.

[Zipper] just what I was looking for. very well made. keep up the good work Thule!

[1.505 lb] I took this with me backpacking through Switzerland and Greece! It was absolutely perfect. I love how the zipper opens the middle compartment similar to a suitcase. This feature makes it so much easier to get your belongings out. It prevents digging through everything to find what you are looking for. I picked the 40L since we were only backpacking a week at a time. The size was perfect for me. I am 5'3 and even filled to the max this backpack was not too heavy or big for me. I was able to use this as a carry on with no issue on 4 flights (each a different airline). Oh and the green is awesome! I highly recommend this product!!

[Zipper] I have the older version of this backpack, without the extra zippered pocket on the front. I have had it for almost four years now, and it has been with me everywhere. There are minimal signs of wear, and even those are in unproblematic places. I manage to fit my Nalgene in the side pocket, and carry a lot of things in this small bag. The pockets are great, it is simple, and extremely durable. I highly recommend.

[Zipper] I bought this backpack for my son and he absolutely loves it. Awesome ergonomics as he carries a lot of books to school. Very well organized pocket system.

[Dense Teal Blue] I just got back from 9 days in Thailand and needed a bag that would hold everything PLUS be carry on approved. This bag held everything down tight and I had my laptop inside the computer compartment. Loved all the extras you don't notice until you get the bag. Security features are awesome and I wonder who thought of them because they rock. This bag is has super clean lines when everything is cinched down and made it super easy putting in overhead plane bins, bus bins, on ferry's and carrying on my back when riding a moped. The ability to hide the waist straps is really good. When traveling I saw so many other travelers with waist straps that just hang free. Why is this an issue? When stopping at bathrooms, for example, they put their bags on the floor and the straps are resting on really gross bathroom floors; in Thailand some of the toilets are just holes in the floor and a bucket of water to "flush." My bag straps where neatly tucked away. The top hard case is such an amazing feature and the hidden water bottle compartment. My girlfriend had a similar Northface bag and she keeps bugging me to buy her one of these. Only thing I would change is something I read in another persons review; I'd change the orientation of the top hard safety compartment's zipper. When the bag is laying flat, say on a bed, and the straps for the bag are on the bottom side, if one opens the hard case anything loose will fall out. It's not a big issue at all though. I also bought travel cubes and that made a huge difference. Twice I was stopped by TSA and they searched my bag; travel cubes made it SO easy to put everything back and get on my way!

Long story short, do not hesitate to purchase this bag! I never leave reviews but felt this bag deserved it.

[Empty] I have been using the Thule EnRoute now for a coupe of weeks and really like it. I use it for commuting to work so it holds my ipad pro, notebooks, book and occasionally my lunch with plenty of room. I have a Contigo water bottle and that is no problem as well. Plenty of little compartments so for an overnight it held a change of clothes as well as toiletries. Its big but not too big. Easy to take on and off and the straps seem to be in exactly the right spot.

[Yes] I really like that the backpack has a semi-rigid shell and maintains it's shape when full. A surprising amount of items fit into the backpack with its many pockets. Also appreciate the flexibility of the two outer pockets which can fit a water bottle or wine bottle depending on what you choose! Glasses pocket in the front can easily fit 2 pairs of glasses.

[Zipper] Perfect in every way as expected from such a great brand