Jim, yes it fits. A little shorter than my MacPac bag, but it is a long. The MacPac with the overbag and bivy is probably good to about 10F or maybe less. I know I've down to near that in it at Yosemite and it was fine, but this one should be good to around -10F by itself. It has a lot more loft than the MacPac, I noticed that right away. It is only 650 ci down, but then again, I got a pretty good deal on it, so I'm quite happy with it.