How to Choose Sleeping Bags for Backpacking
Big Agnes Anthracite 30 Sleeping Bag
$149.95 – to $159.95
Enjoy comfy rest after a day outside with this Big Agnes 30°F sleeping bag. It's light enough for backpacking and comfy enough for campouts. The FireLine™ Pro Eco synthetic insulation keeps you warm.
Key Details
Fill
FireLine™ Pro Eco synthetic
Weight
Regular - Left Zip: 2 lbs. 1 oz.
Long - Left Zip: 2 lbs. 4 oz.
Compressed Volume
Regular - Left Zip: 8 liters
Long - Left Zip: 8 liters
Temperature Rating (F)
30 degrees (F)
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- Light enough to stuff in your pack for summer backpacking but comfortable enough for backyard campouts with the kids—you'll want to take this versatile bag on every outing
- Anthracite bags deliver technical, lightweight performance with high thermal value and compressibility; they're designed to excel on and off the trail
- FireLine™ Pro Eco synthetic insulation provides reliable, efficient warmth in any situation
- Traditional mummy shape allows for light weight and increased body heat retention
- Contoured hood follows the shape of your head for a more comfortable fit
- Oversize no-draft collar and no-draft zipper to keep the cold out
- Low-profile cordlock lets you uncinch the hood with one hand
- Cinch the insulated tube along the upper hood opening to seal out drafts
- 2-way zipper and zipper garage are positioned on the sleeper's left side of the bag
- 65 in. (165 cm) YKK #5 antisnag locking zipper for a smooth, quick zip
- Mate together Big Agnes left-zip (all-gender) with right-zip (women's) bags to share warmth with your tent mate
- Stuff sack included
- Compressed dimensions: Regular: 8.5 x 8.5 in.; Long: 8.5 x 9 in.
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 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 | 30 degrees (F) - ISO |
| Tested Comfort | 39 degrees (F) - ISO |
| Temperature Rating (F) | 30 degrees (F) |
| Temperature Rating (C) | -1 degrees (C) |
| Weight | Regular - Left Zip: 2 lbs. 1 oz. Long - Left Zip: 2 lbs. 4 oz. |
| Shell | Recycled ripstop polyester with water-repellent finish without intentionally added PFAS |
| Zipper Location | Left |
| Insulation Type | Synthetic |
| Fill | FireLine™ Pro Eco synthetic |
| Fill Weight | Regular - Left Zip: 1 lb. 3 oz. Long - Left Zip: 1 lb. 5 oz. |
| Sleeping Capacity | 1-person |
| Lining | Recycled ripstop polyester with water-repellent finish without intentionally added PFAS |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular - Left Zip: 72 inches Long - Left Zip: 78 inches |
| Shoulder Girth (in.) | Regular - Left Zip: 60 inches Long - Left Zip: 63 inches |
| Hip Girth (in.) | Regular - Left Zip: 54 inches Long - Left Zip: 57 inches |
| Stuff Sack Size | 8 x 17.5 inches |
| Stuff Sack Volume | 14 liters |
| Compressed Volume | Regular - Left Zip: 8 liters Long - Left Zip: 8 liters |
| Gender | Unisex |
| Sustainability | Contains recycled materials |
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