Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Big Agnes Benchmark 35 Sleeping Bag
$81.73Compared to $109.95*Save 25%
When warmth is just as important as packed size and weight, reach for this Big Agnes sleeping bag. High-loft synthetic insulation and a water-repellent shell keep you warm and dry on cold nights out.
Key Details
Fill
High-loft synthetic insulation
Weight
2 lbs. 11 oz.
Compressed Volume
11.5 liters
Temperature Rating (F)
35 degrees (F)
- Traditional mummy shape allows for light weight and increased thermal efficiency and provides enough wiggle room to create a cozy space for all types of sleepers
- Breathable shell fabric with a water-repellent finish
- No-draft collar and no-draft zipper
- 65 in. #8 zipper YKK
- Zipper garage
- Liner loops
- Exterior loops for hang drying or storage
- Storage sack not 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 Big Agnes Camping 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 | Camping |
|---|---|
| Tested Lower Limit | 35 degrees (F) - ISO |
| Tested Comfort | 45 degrees (F) - ISO |
| Temperature Rating (F) | 35 degrees (F) |
| Temperature Rating (C) | 2 degrees (C) |
| Weight | 2 lbs. 11 oz. |
| Shell | Polyester ripstop shell |
| Zipper Location | Left |
| Insulation Type | Synthetic |
| Fill | High-loft synthetic insulation |
| Fill Weight | 1 lb. 10 oz. |
| Sleeping Capacity | 1-person |
| Lining | Soft polyester lining |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 78 inches |
| Shoulder Girth (in.) | 62 inches |
| Hip Girth (in.) | 56 inches |
| Stuff Sack Size | 9 x 20 inches |
| Stuff Sack Volume | 21 liters |
| Compressed Volume | 11.5 liters |
| Gender | Unisex |
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