I assume that you're reffering to layers of insulation. One layer of 3.7 ounce Climashield Combat. Its CLO value is 3.7* 0.78= 2.9 according to Thru Hiker's website.
Thanks for the good words.
This is what OWFInc's website says about this fabric.
>>This lightweight fabric is a down proof, safe and tear resistant with DWR.<<
>>Excellent for breathable sections of tents, sleeping bags, clothing, etc.<<
It says nothing about calendering. They have an email address set up for questions.
For Questions: email@example.com