https://www.shelbyoutdoor.com/images/support/breathability.pdf
If anyone wants to geek out more, I recommend reading:
Mark Verber's What is Percent of Nakedness? - https://verber.com/mark/outdoors/stash/patagonia-testing.htm...
Andy Kirkpatrick's (formerly psycho vertical) writings; mainly focused on mountaineering. As such he has a lot of good advice for dressing for bad conditions - https://andy-kirkpatrick.com/articles
Andrew Skurka's Breathability: an explanation of its importance, mechanisms, and limitations - https://andrewskurka.com/breathability-its-importance-mechan...