Anthony in Tokyo 2 The build quality of this backpack is not great. Cheap zippers that get caught on themselves, plus the seams are too close to the zipper teeth and also get caught. The shoulder padding is too thin to be comfortable and the back padding is too rigid and does not breathe very well. The nylon material has not been finished properly and frays also getting caught in the zippers. I was hoping to use this for my daily cycle commute, but it cause rubbing and pain on my spine due to the thin, hard back of the pack. The only thing I like about this backpack is the small size.