Nemo Sonic -18C Sleeping Bag - Unisex 6007-630

Nemo Sonic -18C Sleeping Bag - Unisex


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Show Description

Nemo’s award-winning Sonic is updated to make a good bag better, with a few extra features to ensure you get a great night’s sleep. A redesigned collar and hood seal out cold and retain warmth where you need it. Stretch stitching at the knees maximizes internal volume and make side-sleeping easier in this form-fitting mummy bag. Thermo Gills™ allow you to dial-in the perfect temperature when you're warm, but the air outside is too cold to unzip – like cracking a widow. Overstuffed with 800 fill-power hydrophobic down to offer serious warmth in serious weather.

  • Shell is ripstop nylon with soft nylon taffeta lining, both treated with a DWR finish.
  • Zippered Thermo Gills let you release extra body heat without letting cold air in.
  • 800 fill-power Nikwax Hydrophobic Down™ wont wet-out, staying lofty and warm in all conditions.
  • Horizontal and vertical baffles channel warmth along your body, reducing cold sports.
  • Hood provides a warmer, closer fit, keeping your noggin warm on cold nights.
  • Internal draft collar helps seal in the heat.
  • Stretch stitching at the knees helps maintain shape while increasing thermal efficiency and optimizing volume in the bag.
  • Toester™ waterproof breathable footbox has a DWR finish.
  • On-seam zippered pockets for small necessities.
  • Included compression sack and cotton home storage sack.
  • Covered by Nemo’s lifetime warranty.


Tech specs

Show Tech specs
Ideal for
  • Backpacking
  • Winter and expedition camping

The number of average sized people that the product can comfortably sleep.

Temperature -18°C
Shape Mummy
EN Limit Temperature Rating

This sleeping bag has been tested to the EN standard in a certified lab. This controlled test measures thermal value using a heated mannequin (wearing a base layer and a hat) placed on a 1-inch pad. The Limit Rating is the lowest temperature at the average man (or "warm sleeper) can sleep in a curled body position for 8 hours without feeling cold.

Insulation 800 fill-power water-repellent goose down
Technology Nikwax Hydrophobic Down
Construction Baffle
Face fabric 20-denier ripstop nylon
Lining/backer 30-denier nylon
Recommended Compression Sack 12L

An insulated collar that covers yours neck and shoulders to reduce heat loss.

Additional feature(s)
  • DWR-treated shell fabric
  • Stash pocket
  • Draft tube behind zipper
  • Home storage sack included
  • Stuff sack included
Product sustainability Certified Responsible Down
Made in China