The North Face Inferno -40F Sleeping Bag
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The warmest expedition bag from The North Face, the Inferno -40°F sleeping bag is lightweight, durable and designed for high heat retention and minimal heat loss.
Shop similar productsKey Details
- Made with recycled nylon, the main body is light, durable and coated in aluminized XReflex for higher thermal retention
- Fitted hood for more warmth and comfort
- Hood cinch cord helps seal out the cold
- Full draft collar and integrated draft overlap for added comfort and to help prevent heat loss
- Side half zipper so you can make adjustments for temperature
- Trapezoidal side chamber baffles reduce cold spots and retain loft
- Shockcords on the back of the bag attach to a sleeping pad so the pad will stay in place while you sleep
- Anticompression pads for better CLO values
- Vaulted footbox
- Waterproof and breathable NeoVent Air fabric helps protect the head and footbox
- Includes compression sack and storage sack included
Imported.
View all The North Face Backpacking Sleeping Bags| Best Use | Backpacking |
|---|---|
| Temperature Rating (F) | -40 degrees (F) |
| Temperature Rating (C) | -40 degrees (C) |
| Shell | Main: 15-denier recycled nylon coated with aluminized XReflex treatment; head/footbox: 15-denier recycled ripstop nylon with breathable coating |
| Zipper Location | Right |
| Insulation Type | Down |
| Fill | 800-fill-power ProDown |
| Sleeping Capacity | 1-person |
| Lining | 30-denier nylon taffeta |
| Sleeping Bag Shape | Mummy |
| Stuff Sack Size | 12 x 12 x 16 inches |
| Stuff Sack Volume | Unavailable |
| Compressed Volume | Unavailable |
| Gender | Unisex |
| Sustainability | Down certified to the Responsible Down Standard (RDS) |
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Great bag, but zipper snags a LOT.
VERY warm bag. Waiting for the sun zero temps here in Alaska to really put it to the test, and will update my review after that. I got inside it in my living room and was sweating within a minute. I’m only leaving a “first impressions” review because of the zipper. It gets snagged A LOT. More than any bag I’ve had yet. I wish there was something in the design to reduce the zipper snagging. Otherwise, I’ll update with my other findings once the show flies and I go on some extreme winter camping trips!
Great sleeping back, but too heavy on the trails
Great sleeping bag: I have used for the last two years in the Himalayas and kept me warm even at 15,000 feet altitude. The only downside is its weight, which makes it not very suitable for trekking
Zipper broke on Denali, unacceptable, life threatening
Why in the world you design a -40 bag with this dainty fragile zipper is beyond me. It broke on Denali, and could have become a life threatening and or expedition success threatening issue.
Exactly what it says it is, LIGHT
Awesome product. Zipper seems to be fixed. Very warm and did well in the cold winter nights while snowing.
Best sleeping bag on the market
This bag will have you wanting to camp out in negative temperatures, Alaska proud !!