I've used it almost every single day since I got it a couple of months ago and it shows absolutely no wear, and the zippers still work great.
It has a comfortable and adjustable strap for the waist. The strap is wide and the buckle is thick which makes it stay in place even when running.
This is an awesome pack to wear, I barely notice I have it on compare to other packs, I just put in the essentials, and off I go.
Now I get to take my iPhone and a few other stuff with me on long walks and jogs, thanks to this pack.