Small, clever and functional.
I wasn't expecting to say small, but I guess I have been used to a big backpack. This one is essentially fully loaded with my bike tools, full set of work clothes and lunch.
But, I love the pockets (especially the retractable key chain) and the thought that has gone in to this. Very comfortable. Seems to breathe down my back so I don't get as sweaty as I did before.
Looking forward to pouring rain, and then trying it out in -40. Yes, I bike in Canadian winters.