Best Semi-Rectangular Sleeping Bag: NEMO Disco 15 Sleeping Bag Recommended ... The top synthetic layer works for warm temperatures at 50 degrees or higher, while the middle synthetic layer ...
we agreed that this bag sleeps 10 degrees warmer than it looks like it should. Lastly, it uses 900-fill down, one of the best warmth-to-weight insulators you can get in a sleeping bag ...
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