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Mountain Hardwear

Mountain Hardwear Phantom Spark 28F/-2C

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The Mountain Hardwear Phantom Spark is a compressible, super-lightweight down sleeping bag ideal for gram counting backpackers, and climbers.

Filled with Q.Shield® DOWN 800 the bag is designed to maintain heat and maximum loft in damp conditions. The almost translucent 10D fabric has a soft hand and is exceptionally lightweight, great for backpacking and hiking.


  • QShield™ DOWN maintains maximum loft while resisting heat-robbing moisture.
  • QShield™ DOWN 800-fill has an advanced treatment applied that resists heat robbing moisture and retains maximum loft in damp conditions
  • Performance mummy is cut snug, for maximum warmth and minimum weight
  • Tight 5" baffle spacing maximizes loft
  • Lightweight but durable two-way #5 zipper for easy entry and exit
  • Down-filled face gasket comfortably blocks drafts at the hood opening
  • Six-chamber hood design maintains even loft around head for consistent warmth
  • Insulated draft tube with anti-snag panel prevents cold spots along zipper
  • Comfort footbox follows natural foot position for maximum warmth and comfort
  • Single-handed drawcords simplify adjustments
  • Nylon compression sack and mesh storage sack included


  • Fabric Body: 10D Bright Filament Cire Plain Weave 26 g/m²
  • Q.Shield™ DOWN 800-fill RDS Cert/Fluorine Free (Hydrophobic down)
  • RDS Certified Down


    • Compressed Size: 15 x 25cm
    • Max User Length: 183 cm
    • Inside Length Regular: 183 cm
    • Hip Girth Regular: 135 cm
    • Foot Girth Regular: 97 cm
    • Shoulder Girth Regular: 150 cm
    • Fill Power: 800 European Goose Down
    • Insulation: QShield™ DOWN 800-fill RDS Cert/Fluorine Free
    • EN Rating Extreme: -4°C (21°F)
    • EN Rating: T-LIMIT: 28 F / -2 C
    • EN Rating: T-COMFORT: 36 F / 2 C
    • Bag Fill Weight: 285g
    • Weight: 648 g

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