I'm fixin' to make a wearable top quilt with a head hole, a la JRB. I found the directions on how to do it, but I'm curious if there is any significant heat loss through the hole. If I'm envisioning correctly, essentially the omni-tape area is like a sewn-thru spot; is it detrimental to the quilt's temp rating? I've heard nothing but praise for wearable quilts, so I don't foresee a problem, but I'm still curious. Thanks in advance.
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