I've had mine for nearly a full year. I use mine 5-6 days a week on my commutes. It's been through all weathers; rain, hail, gales, ash cloud and hot sun too (...okay, I lied about the HOT sun!) and it's still in perfect condition.
It carries a lot too. Excellent subdivided sections and an expandable back panel too. There's plenty of spaces for small items like a phone, watch, wallet etc and these dedicated pockets keep the main storage area for big items only.
I'm quite a small person but I found the straps very easy to adjust indeed. Even after using my rucksack many, many times with heavy items, it has never needed a re-adjustment either. Excellent.
The base of the rucksack is nice and sturdy. Extra thick material is used here in addition to the main body fabric. Mine is showing no signs of wear at all. The zips are perfect too. Still smoothly operating after many hundreds of uses.
The hiviz finish is ultra bright. It's also adorned by highly reflective bands on the side, back and front straps. There's no missing this when you're wearing it (though there will always be those drivers that will ignore anything on 2 wheels, even if you've got a dancing neon monkey on your head), so it certainly adds to your safety. In fact, I would recommend this
Abus Universal Helmet Cover - Yellow, One Size to complement your commuting equipment, certainly in the autumn and winter months.
Safe cycling