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Nemo

Sonic Down (-20°F / -29°C) Sleeping Bag

$849.95 $999.95

with complimentary shipping

Size

own it from $10/wk

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Description

This Backpacker Editors’ Choice award-winning big-mountain bag offers exceptional warmth and tuneability with a reduced environmental impact. Now updated for 2019 with a redesigned draft collar and draft tubes to create a secure seal against cold air; overstuffed 800FP hydrophobic, RDS certified down; and an updated profile and shaped foot box, the Sonic™ continues to rock out as the King of Comfort from basecamp to summit.

The contoured hood with drawstring cord creates maximum thermal efficiency, and stretch construction at the knees allows side sleeping. Toester™ footbox is tailored for foot comfort, waterproof/breathable, and includes a layer of synthetic insulation to reduce cold spots.

Specifications
  • Compressed Volume
    Regular - 11.96; Long - 12.47
  • Fill Weight
    Regular - 960 g; Long - 1.02 kg
  • Fits Up To
    Regular - 183 cm; Long - 198 cm
  • Hip Girth
    Regular - 147 cm; Long - 160 cm
  • Knee Girth
    Regular - 135 cm; Long - 142 cm
  • Minimum Weight
    Regular - 1.59 kg; Long - 1.65 kg
  • Packed Size
    Regular - 41 x 22 cm dia; Long - 42 x 23 cm dia
  • Temperature Rating
    -20F / -29C

Sizing Guide

Additional Information
  • Award-winning design allows for temperature regulation in variable mountain climates.
  • Adjustable Thermo Gills™ vent body heat at your core without letting cold air rush in.
  • Stretch construction at the knees allows side sleeping.
  • Overstuffed with 800FP hydrophobic down that is 100% Responsible Down Standard (RDS) Certified ensuring humane treatment and traceability throughout the supply chain.
  • Redesigned draft collar and draft tubescreate a secure seal to keep cold air out.
  • Redesigned Toester™ waterproof/breathable footbox relies on an additional layer of synthetic insulation to reduce cold spots.
  • Offset zipper creates a thermally efficient seal.
  • Updated profile secures warmth closer to the body.
  • Protected by NEMO two (2) years warranty only.

WHAT'S INCLUDED

  • Compression stuff sack
  • Mesh storage bag

FAQ's
nemo Sleeping Bag Sonic Down (-20°F / -29°C) Sleeping Bag
Nemo

Sonic Down (-20°F / -29°C) Sleeping Bag

From $849.95 $999.95

with complimentary shipping

This Backpacker Editors’ Choice award-winning big-mountain bag offers exceptional warmth and tuneability with a reduced environmental impact. Now updated for 2019 with a redesigned draft collar and draft tubes to create a secure seal against cold air; overstuffed 800FP hydrophobic, RDS certified down; and an updated profile and shaped foot box, the Sonic™ continues to rock out as the King of Comfort from basecamp to summit.

The contoured hood with drawstring cord creates maximum thermal efficiency, and stretch construction at the knees allows side sleeping. Toester™ footbox is tailored for foot comfort, waterproof/breathable, and includes a layer of synthetic insulation to reduce cold spots.

Size

  • Regular
  • Long
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