The are most certainly Kelty, with an elaborate EarthRoamer logo embroidered into them. They do not, however, seem to be exactly what you get nowadays if you order up a Kelty Binto; there look to be some differences in construction. Nothing that would seem to make a practical difference, however.Kelty - they call them Bintos and are available in many sizes.
...Personal note, FWIW: I found having my stuff zipped into a number of relatively small opaque bags of fixed sizes to be pretty constraining and I gave up on the scheme early. Just saying.![]()