Item # msbo40cbl12zz-mountainsmith-sleeping-bags-3-season

Mountainsmith Boreas 40 Sleeping Bag

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Description: Mountainsmith Boreas 40 Sleeping Bag

Mountainsmith brings its 30+ year heritage in the outdoors back to the sleeping bag category. Our Boreas 40 Degree synthetic bag features a relaxed hooded rectangular camp style (fits to 6'6" with shoulder girth up to 68") and accommodates a host of features guaranteeing a sound night's sleep. Add in the value of our Poly compression stuffsack (stuffs down to 16"x9") and this bag cannot be beat.

Key Features of the Mountainsmith Boreas 40 Sleeping Bag:
  • Relaxed hooded rectangular style
  • Right hand zip
  • Offset quilt construction
  • Anti-snag zipper reinforcement
  • Compression stuff sack included
  • Temp rating: 40F / 4.5C
  • Shoulder girth: 68 inches
  • Stuffed dimensions:16 x 9 inches
  • Zips out flat for blanket style if needed
  • Mountainloft Hollowfibers - 0.68 kg fillweight
  • Shell: 75dx240t Diamond Poly Ripstop W/R, CIRE
  • Liner: 50dx290t Taffeta Poly W/R, CIRE
  • Dimensions: 5'' x 82'' x 34''
  • Weight: 3 lbs 5 oz
  • Fit Range up to 6' 6''
  • Compact/Extended Dimensions 16'' x 9''

Boreas 40

5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Great Bag
I would very much recommend this product. Stuffs down very small. Warm for its size. I have an older bag that is rated for a colder temp., but is not as warm as this one. Width is very generous. I have broad shoulders and sometimes feel trapped in other bags. I have a bit of room to maneuver in this one.
November 12, 2014
over 3 years ago

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Why did you choose this? Store
Large, roomy.
Scott B on Dec 20, 2014
Large, roomy.
Scott B on Dec 20, 2014
Is the Zipper on this bag a two-way zipper? Thanks
A shopper on Jan 5, 2015
BEST ANSWER: Yes, the zipper on this bag is two-way.