Backpacker- SD Flex Down Jacket
April 1, 2010
Sierra Designs Flex Down Jacket
Warmest
So what if it looks a little Michelin-Man- you won't care when you're basking in the toasty zone of the 750-fill Sierra Designs Flex Down Jacket. "it's the coziest midweight puffy I've ever worn," says a tester, who has used more than 20 of them.


