Tobias Kai Looper wrote a review of Therm-a-Rest NeoAir All-Season Sleep Pad on December 3, 2012
Familiarity: I've used it several times
This is a great pad, it packs down a little shorter, but a little wider than a nalgene bottle. It's very light and doesn't take up much space inside my pack. I've used this Jan. 2012 up at Priest lake, ID on our annual snow camp out and it kept me plenty warm combined with a zero degree sleeping bag. I love the fact that it's over 2" thick, not sure that it's 2.5", but maybe I didn't have it all the way inflated. Either way it's the best nights sleep that I've had on a camping trip.