I have one, but I've only used it a few times before I went back to my Revolution bag. Soon after that I bought the Latitude 64 bag and that bag fits my needs better than the Kong and Revo bag. Mind you. It's what works for me. The material of the Kong back was top notch, but the fit and finish were not. Looked like a bag that was made in a garage by somebody trying to make it and it was, but that is also why I wanted to buy it as well. Ya know, to help the little guy out. The things I didn't like were.... the gauge of the zippers was to small (zippers not as "heavy" as the Revo or Latitude bags) Not enough storage. The Revo bag has alot more and the Latitude has even more! The internal frame is not very well made. I took out the "soft" frame from my Innova bag and put it in instead. No holes in the bottom of the bottle holders. Can be a problem when you ice your water and have it melt through the round.
I must say that it is my fourth favorite bag that I have tried (Phenix is third), but do your homework. After all. It's just my opinion;)
Goofy looking? It kicks a$$. Best designed bag I've ever had and I also have the Revo bag and Gorilla Boys bag. The Latitude bag smokes the other two. Buy American? WTF!.............OK, your right. I'm going to buy an AMERICAN MADE Toyota first thing in the morning!
I'd go gorilla boy. I've been testing out his prototype back pack for the last 2-3 months and its a nice ag that will be available soon. It doesn't have as much disc capacity as a Kong, but has plenty of storage. It also has a few different features that no other bag on the market has.
That said, if you go Gorilla boy or Revo, you win. I carried a carolina for 6 years with zero problems.