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Mountain Hardwear Women's Hotbed Spark 35 Degree Mummy Sleeping Bag

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Mountain Hardwear Women's Hotbed Spark 35 Degree Mummy Sleeping Bag


$139.00 - $159.00 Item #: S2517


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About Mountain Hardwear Women's Hotbed Spark 35 Degree Mummy Sleeping Bag


The roomy Mountain Hardwear Women’s Hotbed Spark 35° Mummy Sleeping Bag is a great choice for the outdoorswoman looking to add more backpacking into her life. It’s got a women’s-specific fit and is filled with Thermal Q synthetic insulation. It sports vertically welded Lamina™ construction on top to maximize loft and eliminate cold spots where you need it most. Roomy mummy cut can be mated to a second bag, using the full-length zipper.

  • Women's specific design with extra insulation for extra warmth.
  • Proprietary, vertically welded Lamina™ construction enhances loft and eliminates cold spots.
  • Roomy, comfortable, relaxed fit efficiently maximizes warmth without constriction.
  • Full length #5 zipper with double sliders for versatile ventilation also allows two Hotbed™ bags to be zipped together (LH bag to RH bag)
  • Thermal Q® Thermic MX synthetic insulation has outstanding compressibility and maintains excellent loft.
  • Comfort footbox follows natural foot position for maximum warmth and comfort.
  • Face gasket comfortably blocks drafts at hood opening.
  • Insulated draft tube with anti-snag panel prevents cold spots along zipper.
  • Single-handed draw cords adjust hood and chest closure.
  • Included microfleece-lined stuff sack that doubles as a pillow and a mesh storage bag.
  • EN Ratings:
    • Comfort: 32°F / 0°C
    • Comfort Limit: 24°F / -4°C
    • Extreme: -6°F / -21°C


Regular: 72x58x53x39 in (183x147x135x99cm)
Long: 78x60x59x41 in (198x152x150x104cm)
Fits To
Fill Weight
Regular: 1 lb 9 oz (695g)
Long: 1 lb 11 oz (775g)
Avg. Total Wt.
Regular: 2 lbs 10 oz (1.18 kg)
Long: 2 lbs 12 oz. (1.25 kg)
Stuff Size
8 x 14 in (20 x 36 cm)
Thermal Q Thermic MX synthetic
Inner Shell
75D Polyester Taffeta
Outer Shell
75D Polyester Taffeta
Zipper Type
Full length #5 zipper with double sliders
Dark Raspberry

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