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❄️♻️ Elevate your cold-weather adventures with warmth that’s smart, sustainable, and seriously stylish!
The Sonic Down Mummy Sleeping Bag by NEMO Equipment is a versatile, award-winning winter sleeping bag designed for temperatures from -20°F to 40°F. It features premium 800 FP hydrophobic, PFC-free, and RDS-certified down insulation, combined with 100% recycled, bluesign-approved nylon shell and liner fabrics. Advanced Thermo Gills vents and chevron baffle construction optimize warmth retention and breathability, while the ergonomic mummy shape with draft collars and a waterproof Toester footbox ensures maximum comfort. Backed by a lifetime warranty, this sleeping bag blends high performance with eco-conscious innovation for the modern outdoor enthusiast.
| ASIN | B09RN9L16W |
| Additional Features | Next-generation Thermo Gills, Chevron baffle construction, Updated profile, Stretch construction at the knees, Draft collar and draft tubes, Toester waterproof/breathable footbox |
| Age Range Description | Adult |
| Best Sellers Rank | #508,684 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #853 in Camping Sleeping Bags |
| Brand | NEMO Equipment |
| Brand Name | NEMO Equipment |
| Closure Type | Zipper |
| Color | Goodnight Gray / Torch |
| Customer Reviews | 4.2 out of 5 stars 13 Reviews |
| Fabric Type | Nylon |
| Fill Material Type | Down |
| Item Dimensions L x W | 77.95"L x 31.5"W |
| Item Weight | 1.76 Kilograms |
| Manufacturer | Nemo Equipment |
| Manufacturer Part Number | 811666034540 |
| Material | Nylon |
| Maximum Height Recommendation | 72 Inches |
| Model Number | NM-SNC3-R |
| Occupancy | 1 Person |
| Seasons | Winter |
| Shape | Mummy |
| ShellMaterial | Polycarbonate |
| Size | Standard |
| Sport Type | Camping |
| Temperature Rating | Extreme |
| UPC | 811666034540 |
| Warranty Description | Every NEMO Product is backed by a lifetime warranty against defects in workmanship and materials. |
I**R
worth the money
Nice and toasty, just a great design.
R**S
zipper problems
Nice and warm at +23 degrees F and windy. The zipper was sticky and jammed the first trip. Brought it home and unstuck it with great force. The next trip I had the same zipper issues so I had to return it. Too bad, it's a really nice bag with plenty of room for me.
J**.
Top-of-the-line sleeping bag
I am an avid outdoorsman. I really like this sleeping bag Haven’t been below 5° yet but done well at 5° And above I stay Toasty. I’m 6 foot tall 195 pounds and there’s plenty of room for a comfortable nights Sleep
C**N
Very comfortable
So comfortable and such high quality. Kept warm in a cabin in November!
Trustpilot
1 month ago
1 month ago