The Moment is about the same size packed as the Contrail EXCEPT that you have to pack the aluminum tubing arch pole separately if you want to keep the tent stuff sack small. That's not a problem. Just put it outside, on the side of your pack, bottom end in a side pouch. Wrap the pole sections together with a rubber band and strap or tie the folded pole to your pack.

And that 2 oz. of extra weight for the Moment over the Contrail is offset by only having to carry 2 stakes for it, not the minimum 4 stakes the Contrail rquires.

Eric