I'm in the process of making a uq from a old down sleeping bag. The bag is not labeled for how warm it is, but has around 3 inches of loft. My question is: When i cut it open is there an apex point of how much more down I should stuff to get it as warm as possible before going down the road of just adding weight and not more warmth. In other words how much is too much down to overstuff?
Many thanks!
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