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Item #: mtb0100

Mont Bell

U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)

Mont Bell
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Product Information

Product Information For The Mont Bell U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)

Specs

Brand Mont Bell
Weight 1 lb 3 oz
Awards Past Award Winners
Max User Height 6 ft 0 in (Regular), 6 ft 6 in (Long)
Shoulder Girth 56.7" - 68"
Hip Girth Not Specified
Foot Girth Not Specified
Fill Weight 10 oz
Insulation 800 Fill Goose Down
Insulation Type 800+ Down Insulation
Material Polkatex & 12-denier Ballistic Nylon
Packed Size 5.3" x 10"
Temperature Range 25° to 30°
Temperature Rating 30°

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Description

Winner of the Outside Magazine Gear of the Year Award. Mont-Bell U.L. Sprial Fill #3 Sleeping bags are a great combination of classic mummy cut, innovative construction, high quality 800 fill down, and ultra light fabric. This bag is born to be Light & Fast. Spiral technology allows amazing interior space and more stretch than a typical bag. The Mont-Bell U.L. Spiral Fill Sleeping Bag is rated to 30 degrees.

Details

  • Spiral StretchTM System (PAT.Pending)
  • Stuff sack and storage sack included
  • Elite 100-wash rated Durable Water Repellence combined with our lightest fabric
Reviews

Reviews For The Mont Bell U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)

REVIEW SNAPSHOT®

by PowerReviews
Mont BellU.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)
 
4.6

(based on 7 reviews)

100%

of respondents would recommend this to a friend.

Pros

  • Lightweight (4)
  • Warm (3)

Cons

    Best Uses

    • Backpacking (3)

    Reviewed by 7 customers

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    5.0

    High quality 3 season bag

    By Dan

    from Albuquerque, NM

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Comfortable
    • Lightweight
    • Packs Small
    • Roomy
    • Warm

    Cons

      Best Uses

      • 3 Season Camping
      • Backpacking

      Comments about U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down):

      Purchased this to replace a 3 season bag that I had used for nearly 10 years - time to lighten up from near 3 lbs to just over a pound; and over the years I've turned into a tosser and turner while camping so I wanted a roomier bag that wasn't as restrictive. Spent 3 nights in Zion's backcountry in April - first night was around 34 F, 2nd at under 32 F (ice at the spring), 3rd at about 40 F. All nights I just wore my silks to sleep in and no socks. Stayed warm all 3 nights with out having to layer up, and I was able to turn in the bag without much restriction. Very comfortable, very light, and very warm. Very pleased with the purchase and expect it to use it for years to come. Thanks Campsaver for providing an excellent product at the best price.

      • What Is Your Gear Style:
      • Minimalist
      • Was this a gift?:
      • No
       
      5.0

      U.L. Spiral Down hugger #3

      By Chazzamnn33

      from Tulsa OKlahoma

      About Me Avid Adventurer

      Pros

      • Durable
      • Lightweight
      • Packs Small
      • Roomy
      • Warm

      Cons

        Best Uses

        • Backpacking

        Comments about U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down):

        This Bag is super light, and super comfy,packs super small , think nerf football. (NOT compressed just stuffed) it really does strech and flex with you, I can actually cross my legs, or put my legs into a figure four while sleeping, I can even put socks on while in the bag! the DWR coating it amazing, I poured 2 cups of water directly on the bag, scouped it up, and wiped it off, absolutely NO soak in. polka tex is great! breaths excellent too. only draw back is the short zipper, but it does shave some weight. the hood wraps your skull nicely covering your eyeballs so they dont freeze. I have slept down to 22 degtrees with this bag, got a little chilled at around 5 am, but figuring that was atleast 8 degrees below rating, and I was in boxers and a tshirt! awsome bag, I am considering a #1 for cooler temps.

        • What Is Your Gear Style:
        • Comfort Driven
        • Was this a gift?:
        • No
         
        4.0

        Lighten Your Load

        By MQ

        from Savannah

        Verified Buyer

        Pros

        • Compresses well
        • Lightweight
        • Non restrictive
        • Water Resistant

        Cons

        • Temperature rating

        Best Uses

        • Backpacking
        • Thru hiking

        Comments about Mont Bell U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down):

        This is an excellent bag to take backpacking and thru hiking due to the 19oz weight. Combined with a down parka and wool bottoms, I can take the rating down to that of a 20 degree bag. However, compared to other 30 degree bags I think this one sleeps slightly colder. That aside, this is my go to 3 season bag.

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        Questions & Answers

        Q & A For The Mont Bell U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)

        Technology Used In The U.L. Spiral Down Hugger #3 Sleeping Bag (800 Down)

        Baffled Construction

        Baffles are chambers created between the outer shell and inner liner of a sleeping bag or jacket. These chambers hold the insulation and create an even distribution, preventing unwanted grouping of insulation. There are different types of baffles. A "stitched-through" baffle joins the outer shell and inner liner together by means of direct stitching. Heat loss through seams is a disadvantage of the stitched through baffle. Optimal warmth is achieved through the use of a "box wall" style baffle. This method uses additional material between the outer and inner materials to create a wall that unites the two layers and creates a slightly larger and more uniform baffle. Different variations on the box wall positioning create a variety of advanced baffle systems.

        Down Insulation

        Water foul, like geese and duck, actually provide one of the most efficient forms of insulation available. Down is the light, fluffy undercoating at the base of the feathers of waterfowl. Down is a multi-dimensional structure that insulates by creating pockets of still air that retain body heat. Down is highly breathable and exceptionally comfortable. It is longer lasting and much more compressible than synthetic insulation. A disadvantage of down insulation is its loss of efficiency in wet conditions. It will also take much longer to dry than a synthetic insulation. Down is available in different fill powers. Fill power is defined by the amount of loft that is gained under loft test conditions. The higher the fill power number the greater the loft and the greater the performance of the down insulation. Fill powers may range from 500 fill to 900+ fill power.

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