Cho Oyu, the sixth highest mountain in the world, straddles the Tibet-Nepal border. And like its namesake, this sweater sits on the border too – somewhere between jacket territory and sweater land. Likely, you have already figured out how useful that "tweener" weight can be – particularly in the manifestation of a lightweight, top-notch goose down sweater. We are not joking when we say it's the thing you will find yourself wearing more than anything else, outdoors or in.
Read more at http://www.ukclimbing.com/articles/page.php?id=6912 
