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Nemo Sonic -20° Down Mummy Sleeping Bag

★★★★★ 4.6 146 reviews

US$224.99

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US$224.99

Price when purchased online

Free shipping Free 30-day returns

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Product details

Management number	236328538	Release Date	2026/07/09	List Price	US$224.99	Model Number	236328538
Category	Outdoor & Sports Camping & Vehicle Accessories

Sonic -20° Down Mummy Sleeping Bag

Extreme Cold Weather Performance

DescriptionFeaturesSpecs

Sonic is built to be the only bag you need from -20°F to 40°F. The Backpacker Editors' Choice award-winning big-mountain bag offers exceptional warmth and versatility for any cold-weather adventure.

With premium 800 fill power down and a thermally efficient mummy shape, Sonic delivers outstanding warmth-to-weight ratio. The bag features NEMO's innovative Thermo Gill™ vents for temperature regulation.

Key Features

800 fill power down provides exceptional warmth-to-weight ratio.

Thermo Gill™ vents allow fine-tuned temperature regulation.

Thermally efficient mummy shape maximizes warmth.

Water-resistant down maintains loft in damp conditions.

Draft collar and draft tube prevent heat loss.

Protected by the NEMO Adventure Forever Guarantee™.

Product Specifications

Minimum Weight

3 lb 12 oz / 1.70 kg

Packed Weight

3 lb 14 oz / 1.76 kg