Well my 1/2 cuben, 1/2 momentun top Quilt is done. 3 In of loft should be good to 15*, easy. In the stuff sack it weighs 19oz. That makes Top Quilt at 19oz and Unde Quilt at
17 oz. This should be good for a three season set up. I will be using it for a late March early Apring Thru-hike.