Do you know the down fill power? It gets so cold here in WI and our 100+ year old house is nearly impossible to keep above 50 degrees without an enormous energy bill. We have a 600 fp blanket that is our mainstay but id love to get a 800-900 one of these days. They're calling for a foot of snow overnight and I'm sooooo ready for spring =)
No, not coming out but the middle is a bit worn. The down is still in there. In fact, I can't think of a time when any of the down came out even individually. I'm sure it must have happened at some point tho.