Nemo Sonic 0 Down Sleeping Bag

-18°C Comfort Limit (EN13537:2012), 670g of 850 Fill Power Down (US Method)
Weighs 1200g (Regular bag)
Code: SS18257V
  • Now From £409.99
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Nemo says:

The Backpacker Editor’s Choice Award Winning Sonic has been praised as the only bag you really need from -20 to 40 degrees. The premium suite of fabrics and 850 fill power down is complemented by adjustable Thermo Gills, which regulate temperature without letting cold drafts in. It’s made for variable mountain climates.

We're working out what we think about Nemo's Sonic 0 Down Sleeping Bag, we'll add our comments here in due course.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Choosing a sleeping bag advice
 EN 13537 rating for sleeping bags explained
 Sleeping bag shape and sizes advice
 Sleeping Bag features Page 1
 Sleepin bag features page 2
 All about down filling in sleeping bags
  • 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.
  • 850 Fill Power down is 100% Responsible Down Standard (RDS) Certified – it is traceable and ensures humane treatment throughout the supply chain.
  • Oversized draft collar seals in heat and keeps cold air out.
  • Waterproof/breathable footbox keeps feet warm.
  • Offset zipper creates a thermally efficient seal.
  • Weight: 1200g (excludes stuff sack and compression bag)
  • Temp: 0F / -18C
  • Fits up to: 6' / 183 cm
  • Shoulder girth: 58 in / 147 cm
  • Hip girth: 55 in / 140 cm
  • Knee girth:  53 in / 135 cm
  • Packed size: 18.1 x 11 in / 46 x 28 cm
  • Weight: 1332g (excludes stuff sack and compression bag)
  • Temp: 0F / -18C
  • Fits up to: 6'6" / 198 cm
  • Shoulder girth: 65 in / 165 cm
  • Hip girth: 61 in / 155 cm
  • Knee girth: 56 in / 142 cm
  • Packed size: 18.1 x 11 in / 46 x 28 cm

Construction & Material

  • Shell Fabric: 20D Nylon Ripstop w/ DWR
  • Footbox Fabric: 40D Nylon Ripstop OSMO™ w/ DWR
  • Lining Fabric: 20D Nylon Mini Ripstop w/ DWR
  • Zipper Location: Left
  • Stuff Sack: Compression stuff sack, Cotton storage bag
  • Insulation: 670g(reg) 710g (long) of 850 FP Down
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