I can only provide a partial, unauthenticated answer, just short of SWAG. On breathability, one issue is said to be how water vapor, not just air, passes through the fabric, and that's complicated...
Type: Posts; User: WV
I can only provide a partial, unauthenticated answer, just short of SWAG. On breathability, one issue is said to be how water vapor, not just air, passes through the fabric, and that's complicated...