Pretty poorly designed and constructed. My first, and last, Filson product unfortunately, despite their reputation for quality goods.
I had been looking for a minimal, yet waterproof messenger style bag I could use for my daily commute to work, as well as the occasional utility/travel/camera bag. I had read a few good reviews of this particular bag checking a lot of those boxes. After about month of daily use, I must say I'm quite disappointed and believe those reviewers did not spend as much time with the bag as I have.
The quality of materials used on the bag are subpar, most noticeably the nylon webbing used for straps is pretty flimsy. This causes the main strap to twist and bend and dig into your body, rather than spreading the load evenly. Also, the webbing bunches at the plastic attachment points to the bag, creating bulky spots that will rub as you move and prematurely stress the material. I've noticed the webbing used around the mouth of the bag also gets caught in the velcro closure, causing it to pill and fray after only a month's use.
The opening of the bag is awkward. It's not easy to get in and out of fast due to the roll-top construction. If the bag is worn close to the body, unfolding the main mouth of the bag positions it at almost eye level, making it difficult to reach into, and near impossible to see in. Complicating the matter is the fact that the bag lacks a lining (I opted for black), the material reflects little light, and it is very dark inside. When it's time to close the bag, the stiff, coated material bunches making a clean fold down near impossible. Gussets or seaming in the side or along the flap could have provided a crease to help the bag fold closed cleanly, but these have been omitted. The only other quick access zippered pouch is located inside of the folded flap, making it actually more difficult to get to than the main pocket.
On the material, while being waterproof, it will transfer. I've removed my computer a few times to notice black smudges on it's surface. These seem to wipe off, but I can't imagine its good for the bag. Also, this bag is not lined, padded, or compartmentalized. Meaning whatever you put into the bag, you will feel through the bag. I opted for a sleeve for my laptop to provide some measure of protection and avoid the vinyl transfer.
The bag looks cool and has a big Filson logo on it which is basically all you are paying (a premium) for. If you are okay with that and don't expect too much. then this is an okay bag. However there are much better bags at cheaper price points you should consider.