Edison, I got the UQ out to take a picture to illustrate the answer to your question. This made me decide to just go ahead and do some seasonal adjustments and remove a layer or two. So, here is the UQ turned inside out, with 3 layers( 1* 2.5 osy, 2* 3.5 osy. 9.5 oz total insulation plus shell) installed for a total weight of between 17 and 18 oz:


Here is a different view of same:


Here it is with the 2 extra layers removed, with a total weight of about 10 oz, and 2.5 oz total insulation, just before I turned it right side out and went out and hung in it: