I have to say right off the bat: I really like Marmot bags. Having had the Marmot 15 degree Aspen Adventurer, and the Marmot ultra light 40 degree bag. I have never been disappointed. One of the good Winter bags I highly recomend is the Marmot Sawtooth 15 bag. Great bag, and you can always find it on sale somewhere.
The Marmot Sawtooth 15 Degree Down Sleeping Bag weighs under three pounds—that’s less than 16oz for each of the three seasons you’ll be camping in. Compact, lightweight, and insulated by lofty 650-fill down insulation (treated with Down Defender to keep it warm if it gets damp), the Sawtooth helps you slumber soundly spring through fall, and even on mild winter hut trips. A host of features like a down-filled collar, five-baffle hood, roomy, trapezoidal footbox, and draft-stopping zipper tube add to the light-and-warm comfort.
The Sawtooth features a mummy shape that offers plenty of room at the shoulders before tapering down at the feet to keep insulation closer to your toes, which are going to be extra-warm thanks to the heat-trapping trapezoidal footbox. It’s been designed with stretchy baffles to accommodate your inevitable nighttime thrashing, and a face muff to seal the warm air in around your mug. There’s even a stash pocket to keep nighttime items close by, and hang loops for easy drying and re-lofting.
Video Production by: Backcountry Edge
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