Originally Posted by
John Isaac
I would add the Red Oxx Sky Train and the Safari Beanos PR5 duffel to your list, as well as the forthcoming Goruck GR3. A fully packed Tom Bihn Brain Bag bulges in the middle and makes one look like a turtle. Both the 30L and 45L Aeronaut are top flight bags.
To the OP: I never check bags and never use any bag that has a rigid structure, wheels or a telescoping handle, all of which reduce packable volume and add needless weight.