We purchased the Baggallini Messenger bag to use on our Disneyworld family vacation. My husband and I had been debating what to buy because it would be something that we would both carry. I personally didn't want to carry a typical two shoulder harness backback and my husband did not want anything that appeared "girlie". This bag turned out to be the perfect solution.
The Baggallini Messenger bag was stylish enough for me and functional enough for my husband. We chose to go with the basic black so that it has a more traditional backpack look for my husband to carry. The bags has lots of compartments to hold various items and is very lightweight. I really like the fact that the cell phone compartment is in the strap and lays directly on your chest. This is very helpful if you want to keep you phone on silent vibrate. It made it very easy to "feel" the phone ring.
The bag also has mesh compartments and is water resistent. This helped when we got caught in the rain. Our stuff in the bag was not affected or wet after the rain. We were more that able to pack everything that we needed for a day at the parks without overfilling the bag.
My mom was liked the bag so much that she bought one as well. We have now used the bag when we go on hikes, as our carry-on on the airplane and as a toy bag for trips in the car. I strongly recommend this bag as a good compromise on fashion and function.