Sonic -20 Sleeping Bag: -20F Down
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Why We Like the Sonic -20 Down Sleeping Bag
The NEMO Equipment Inc. Sonic -20 Degree Down Sleeping Bag provides us with cozy relief from brutal winter chill. This toasty bag can handle frigid temps while we're putting in high camp on an unsupported expedition, but the ventilation allows for comfortable use in warmer weather as well. The 800-fill down is lightweight and compressible, making it easy to stuff in your pack for a multi-day traverse, and the DWR-treated nylon ripstop material fights off moisture and withstands wear and tear from life on the trail. The draft collar seals in heat and keeps chilly air out, while Thermo Gills allow efficient ventilation in the warmer months.
Details
- Versatile sleeping bag for 4-season camping
- -20 F rating is built for sub-zero temperatures
- 800-fill down is light and compressible
- Thermo Gills promote cooling airflow
- DWR-treated fabric keeps light moisture at bay
- Draft collar seals in heat and blocks cold gusts
- Compression sack for easy packing and storage
- Item #NEMK02U
- Material
- 20D nylon ripstop, DWR treatment
- Insulation
- 800-fill down, Nikwax
- Shape
- mummy
- Zipper
- left, full-length
- Max User Height
- [regular] 6ft, [long] 6ft 6in
- Shoulder Circumference
- [regular] 61in [long] 69in
- Hip Circumference
- [regular] 58in [long] 63in
- Foot Circumference
- [regular] 53in [long] 56in
- Bag Length
- [regular] 6ft, [long] 6ft 6in
- Draft Tube
- yes
- Pockets
- none
- Pad Retainer
- none
- Venting
- yes
- Fill Weight
- [regular[ 2lb 2oz, [long] 2lb 4oz
- Degree
- -20F
- European Norm/ISO Lower Limit Rating
- -20F
- Storage Sack
- yes
- Stuff Sack
- yes
- Stuff Size
- [regular] 16 x 8.5in [long] 16 x 8in
- Claimed Weight
- [regular] 3lb 8oz, [long] 3lb 10oz
- Activity
- backpacking, winter camping
- Manufacturer Warranty
- limited lifetime
Reviews
Q&A
Overall Rating
3.5 based on 2 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.What do you think about this product?
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Selecting an option will reload the available reviews on the pageOctober 12, 2023
Fall in Alaska
Worked perfectly for a fall bear hunt in Alaska. I am 6’1” and purchased the XL and in was nice with a little length to spare.
Originally reviewed on nemoequipment.com
January 18, 2022
Cold bag
- Familiarity:
- I've used it several times
I have a total of 5 nights in this bag over two different trips. The warmest ambient air temp I have used it in was 23F, which I expected to be sweating in the bag but that was not the case. The lowest I used this was -19F (which is very close to the rating here) and I would not expect this bag to be warm at that temp, but no way it is a -20F bag. I had to use a liner and base layers to sleep cold when it was -19F. This feels like a 0F bag to me, and I sleep hot. Compared to the Marmot Col Membrain -20 or the Feathered Friends -25 bags that my tent mates had, this one just doesn't have the loft of the others.
Need Expert Advice?
Our Gearheads Can Help
February 14, 2022
Hi! Can I still zip the mens sonic new to the womens riff. Thanks!
February 12, 2022
Hello. Are the draft tubes removable?
February 2, 2022