+80000000 on the Red Oxx Aviator. Just used one on a trip to Europe. It folds pretty small.
Originally Posted by
TPACjv
When I read your post, it made me think doing the opposite is better. Is it possible for you to carry on a suitcase you don't mind checking and stick a foldable duffel in it. Then on the way back, you can check the suitcase and carry on the duffel.
I've done exactly this with a Red Oxx Aviator.