>>635912Just normal sleeping clothes (base layers, light fleece, and a 20 deg bag as a top quilt (nothing else under me). I only took it to 35 deg, and was warm, but could feel the slightest bit of coolness on my back in the morning. Not enough to wake me, but I noticed it.
If you were inside your sleeping bag, it would probably be able to add that extra 10 deg of warmth that I was missing.
It was my first night in it though, I could probably eliminate some drafts. I find the ends are not as easy to cinch up as other quilts. I need to adjust mine a little more.