In reply to zimpara:
> I have a mountain equipment Titan 425 down bag.
> If I cut it in half, add the down from the top half into the bottom baffles equally and sew it back up,
> does that make it a 425g fill weight half sleeping bag and can anybody quantify what temperature, if you have a perfect seal,jacket, hood, mitts etc this half bag would probably be rated for?
As questions asked on this forum this one of yours is pretty close to the top of the list of most hilariously idiotic. I'm really starting to think you're an elaborate spoof on here.