Quote:
Marmot may say that the Pounder Plus is a 25F bag but independent tests give it a EN13537 rating of 36F.

For those not familiar with the EN rating, it is based on a standardized test for bags sold in the EU. Not sure if the test is mandatory, but it may be in some countries.
Explanation- EN test explanation


Edited by TomD (01/22/08 02:48 PM)