How to Choose Sleeping Bags for Backpacking
Big Agnes Anthracite 20 Sleeping Bag - Women's
$159.95 – to $179.95
Enjoy comfy rest after a long day outside with this women's Big Agnes 20°F sleeping bag. Its mummy shape is optimized for a woman's body. The FireLine™ Pro Eco synthetic insulation keeps you warm.
Key Details
Fill
FireLine™ Pro Eco synthetic
Weight
Regular - Right Zip: 3 lbs. 2 oz.
Long - Right Zip: 3 lbs. 9 oz.
Long Wide - Right Zip: 4 lbs. 7 oz.
Compressed Volume
Regular - Right Zip: 12 liters
Long - Right Zip: 14 liters
Long Wide - Right Zip: 17 liters
Temperature Rating (F)
20 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
- Women's Anthracite bags have increased insulation as well as a fit that is shaped to contour to a woman's body, creating an efficient sleeping bag for women
- FireLine™ Pro Eco synthetic insulation provides reliable, efficient warmth in any situation
- Traditional mummy shape allows for lightweight 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
- Antisnag locking zipper for a smooth, quick zip
- 2-way zipper and zipper garage are positioned on the sleeper's right side of the bag
- Regular size has a 55 in. (140 cm) YKK #5 zipper; Long size has a 65 in. (165 cm) YKK #5 zipper
- 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: 9.5 x 10.5 in.; Long: 10 x 11 in.; Long Wide: 10.5 x 12 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 | 14 degrees (F) - ISO |
| Tested Comfort | 25 degrees (F) - ISO |
| Temperature Rating (F) | 20 degrees (F) |
| Temperature Rating (C) | -7 degrees (C) |
| Weight | Regular - Right Zip: 3 lbs. 2 oz. Long - Right Zip: 3 lbs. 9 oz. Long Wide - Right Zip: 4 lbs. 7 oz. |
| Shell | Recycled ripstop polyester with water-repellent finish without intentionally added PFAS |
| Zipper Location | Right |
| Insulation Type | Synthetic |
| Fill | FireLine™ Pro Eco synthetic |
| Fill Weight | Regular - Right Zip: 2 lbs. 5 oz. Long - Right Zip: 2 lbs. 10 oz. Long Wide - Right Zip: 3 lbs. 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 - Right Zip: 66 inches Long - Right Zip: 72 inches Long Wide - Right Zip: 72 inches |
| Shoulder Girth (in.) | Regular - Right Zip: 54 inches Long - Right Zip: 57 inches Long Wide - Right Zip: 72 inches |
| Hip Girth (in.) | Regular - Right Zip: 53 inches Long - Right Zip: 56 inches Long Wide - Right Zip: 71 inches |
| Stuff Sack Size | 10 x 21 inches |
| Stuff Sack Volume | 26 liters |
| Compressed Volume | Regular - Right Zip: 12 liters Long - Right Zip: 14 liters Long Wide - Right Zip: 17 liters |
| Gender | Women's |
| Sustainability | Contains recycled materials |
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