Review: Sierra Designs Mobile Mummy 15F/-9C Sleeping Bag - The Big
$ 29.50
In stock
4.6
(334)
![](https://i2.wp.com/thebigoutside.com/wp-content/uploads/2023/05/Sierra-Designs-Mobile-Mummy-15F-9C-sleeping-bag-hood-1024x683.jpg?ssl=1)
Outdoors blogger and former Backpacker magazine Northwest Editor and lead gear reviewer Michael Lanza reviews the Sierra Designs Mobile Mummy 15F/-9C sleeping bag.
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