Oops. I got cold on Friday night at 3600 ft, good wind, and mid to low 40's. I went back opened some baffles and added 3 ounces to the quilt. The down I used is 15 year old 550 (as per LLBean) fill. I made my bag a little larger than Jeremy Paggett and using his calculation (20 degrees) of 12 ounces of 800 fill I needed 18 ounces of 550. The quilt without down was 12 ounces and now it weighs 27= 15 ounces of down. That should cover me for summer. For less than 30 dollars and one old bag I will live with it for a while. I stuffed the heck out of it and weighed it before I sewed it the second time because I stuck so much in it I was afraid it would weigh over 2 pounds. It is amazing how much it takes to get an ounce. It was pretty easy except that in the tradition of overdoing things I had set my machine to 6 per inch and I had to use a tiny seam ripper to get those out.