Originally Posted by Kia Kaha
.. but thinking you are going to survive a sub zero night because you have a synthetic bag over down (when wet) is just foolish, There is just not a comparison in terms of quality, warmth to weight ratio, and bag life quality down bags such as Western Mountaineering are just better.
Down loses its insulating qualities when wet, synthetics maintain a large proportion of theirs. This is proven and tested, period.
Your 'foolish' comment will raise a few eyebrows, I'm taking it with the pinch of salt that it deserves as its obvious you have never used a wet down bag.