How to Choose Sleeping Bags for Backpacking
The North Face Furnace 35 Sleeping Bag
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A lightweight mummy bag perfect for summer adventures, The North Face Furnace 35 sleeping bag features a relaxed cut paired with super-compressible, high-loft, 600-fill-power, water-resistant down.
Shop similar productsKey Details
Fill
600-fill-power ProDown
Temperature Rating (F)
35 degrees (F)
- 600-fill ProDown™ has a hydrophobic treatment that prevents outside moisture and humidity from compromising its loft
- Comfort-oriented shape has a less-tapered cut than some backpacking sleeping bags, allowing you more room to move around
- Anti-compression layer composed of Heatseeker™ Eco synthetic insulation is placed along the bottom panel to eliminate cold spots
- Vaulted footbox allows natural foot movement while also eliminating excess lateral space for improved warmth and comfort
- Fitted hood improves warmth and comfort
- Draft collar adds comfort and prevents warm air from escaping
- Product certified to the Responsible Down Standard (RDS) by Control Union
- Stuff sack included
Imported.
Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.
Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
View all The North Face Backpacking Sleeping BagsEach bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | 27 degrees (F) - EN |
| Tested Comfort | 37 degrees (F) - EN |
| Temperature Rating (F) | 35 degrees (F) |
| Temperature Rating (C) | 2 degrees (C) |
| Shell | Polyester |
| Zipper Location | Left |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 600-fill-power ProDown |
| Fill Weight | Unavailable |
| Lining | Polyester |
| Sleeping Bag Shape | Mummy |
| Stuff Sack Size | 8 x 14 inches |
| Stuff Sack Volume | Unavailable |
| Compressed Volume | Unavailable |
| Gender | Unisex |
| Sustainability | Down certified to the Responsible Down Standard (RDS) |
