I've been using this pack for at least a year. It is pretty awesome. Has enough room that I can bring everything I need to the whitetail woods for a day. Also has enough room to take on 3D archery shoots along with the bladder for plenty of water.
This pack has served me well on mule deer hunts, whitetail sits, and scouting missions. I love having water ready to go. I will say the whole game bag thing that folds out and provides space for packing meat is not the best. Having that extra space for lightweight things might work well. But I tried it for mule deer quarters and the clips kept wanting to un snap from the top of the pack due to the weight.
It's probably just trying to do too much with a small pack. Not bad to have the option because you can get it to work but it isn't the best system. If you're going to be packing any sort of meat I would use a different pack. If you are taking a day trip to hunt or scout this thing is ideal. No problems with zippers or straps on it and I don't see it having any. Awesome pack.