Interesting. All these pre-built kits seem a little over-priced, but at least JetPack apparently uses a quality backpack. The SOLO JETPACK Bag description indicates it uses a Condor Assault pack; I have a Maxpedition Condor pack and that's not it. It looks very much like a Maxpedition Falcon II -- maybe not. Is there a Condor pack that's not from Maxpedition?
That said, if it is a Maxpedition pack, there's a lot of weight in the nylon. It's a very tough backpack.