Yeti, a German company, has introduced 3 ultralight sleeping bags:
Yeti Passion 1 (total weight 9oz of which 4oz down fill)
Yeti Passion 3 (total weight 16oz of which 11oz down fill)
Yeti Passion 5 (total weight 24oz of which 18oz down fill
Filling: Crystal Down 97/3, 900+
Fabrics: LightyGram (RipStop Nylon)
http://www.yetiworld.com/en/produkte/schlafsaecke/vib0.html
Sounds too good to be true. Any views?

