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Marmot 20°F Sorcerer Sleeping Bag - Long Mummy

Item #3047D
$79.99 Save 32% Compare at $119.00
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About Marmot 20°F Sorcerer Sleeping Bag - Long Mummy

Closeouts. So lofty, you might just wonder if it's down. Marmot's 20°F Sorcerer sleeping bag overlaps waves of Spirafil insulation to eliminate cold spots. And unlike down, the quality synthetic fill insulates and dries quickly when it gets wet.


Specs about Marmot 20°F Sorcerer Sleeping Bag - Long Mummy

  • Insulation material: Spirafil polyester fiber
  • Temperature rating: 20°F / -7°C
  • Shell material: Polyester
  • Lining material: Polyester
  • Girth (shoulder/hip/foot): 64/58/52"
  • Fits to: 6'6"
  • Fill weight: 37 oz.
  • Length: 90"
  • Stuff size: 16x9"
  • Zipper: Left
  • Stuff sack: Yes
  • Weight: 3 lb. 11 oz.
  • Recommended use: Backpacking
  • Made in China
  • Visit our Sleeping Bag Guide
  • Cannot ship to Australia
  • Cannot ship to New Zealand


Do you own this product? Write a review and help others with their buying decisions!

4.454545 5 Overall Rating: 4.5 Based on 44 reviews

Most Helpful 5-Star Review

Reviewed by Rocky from Rocky Mtns, Colorado on Thursday, May 23, 2013
This is the most value I've found and I've researched thoroughly. Synthetic is heavier than down, however this weighs in under 4 pounds. All bags absorb moisture and sweat, however synthetic bags dry fast and will be ready night after night, whereas down bags can take 3-4 days to completely dry out.... Read More
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Question & Answer

Questions about this product? Get answers from community and staff experts.

  • “Dies this come with a stuff sack or a compression bag? ”
    Asked by Jean Ann from Arkansas on 2/7/2018 7:49:29 AM
    • This item does not come with a compression bag. According to information listed under the product Specs-
      Stuff size: 16x9"
      Stuff sack: Yes
      Answered on 2/7/2018 8:11:50 AM by Product Specialist Greg from Sierra Trading Post
  • “How will this bag fit into an Osprey Atmos backpack's sleeping bag compartment? I'm purchasing for backpacking but I'm concerned that this may be too bulky to fit into the sleeping bag area of my pack. I'm not very concerned about weight, just actual volume.

    Lastly, if it is a bit large will compression/stuff sacks from other manufacturers make this thing small enough to be reasonable?

    Asked by rxp6650 from Atlanta, GA on 5/16/2017 4:12:40 PM
    • We do not carry the Osprey Atmos backpack, so I can't give you an accurate answer on that. However, the stuff size is listed at 16x9". You may be able to get a compression sack for this item, but I can't guarantee how small it could get down to.
      Answered on 5/17/2017 2:34:05 PM by Product Specialist Greg from Sierra Trading Post
  • “Can 2 be zipped together?”
    Asked by Jon gift giver from Oregon on 11/30/2016 9:31:04 PM
    • These are not able to zip together.
      Answered on 12/9/2016 10:18:01 AM by Product Specialist Greg from Sierra Trading Post
  • “Which compression sack would you recommend for this sleeping bag? How much smaller will it be vs. the stuff sack that it comes with?”
    Asked by Val from California on 11/12/2016 8:03:49 PM
    • This item comes with a stuff sack, but we do not have a specific recommendation on a compression bag.
      Answered on 11/23/2016 8:45:17 AM by Product Specialist Greg from Sierra Trading Post
  • “it includes the compression sack?”
    Asked by hect from uruguay on 8/14/2016 2:36:33 PM
    • Yes
      Answered on 8/14/2016 6:03:27 PM by Josepi from Bells woods
    • Yes, the compression sack is included.
      Answered on 8/16/2016 8:50:18 AM by Product Specialist Greg from Sierra Trading Post

About Marmot

Conceived in a university dorm room by a pair of climbing buddies, Marmot Mountain Works first opened its doors in the spring of 1974 in Grand Junction, Colorado. At the time, the base of operations was a 100-year-old stone building. That same year, the first Marmot down jacket was produced specifically for an action flick called “The Eiger Sanction,” starring legendary actor Clint Eastwood. In the four decades since, Marmot has continued to engineer reliable gear that exceeds the expectations of outdoor athletes. Today, Marmot tents, backpacks, outerwear, clothing and Marmot sleeping bags are still pushing the limits in the planet’s most challenging conditions, from the summits of the world’s highest mountains to the deepest river basins.