How to Choose Sleeping Bags for Backpacking
Big Agnes Greystone 20 Sleeping Bag - Women's
$201.73Compared to $269.95*Save 25%
It's ideal for backpacking but versatile enough for couch surfing. This Big Agnes sleeping bag is insulated with DownTek™ down. It uses baffle construction for for superb warmth.
Key Details
Fill
600-fill-power DownTek down
Weight
Regular - Right Zip: 2 lbs. 5 oz.
Compressed Volume
Regular - Right Zip: 6.2 liters
Temperature Rating (F)
23 degrees (F)
- Women-specific mummy bags have a combination of increased insulation and a fit that is shaped to contour to a woman's body, creating an efficient, warm sleeping bag
- 600-fill-power DownTek down repels water while maintaining its insulating value
- Shell and lining fabrics feature a PFC-free water-repellent finish
- Traditional mummy shape allows for a light weight and increased thermal value
- Contoured hood follows the shape of your head for a more comfortable fit
- Low-profile cordlock lets you uncinch the hood with one hand
- Insulated tube along upper hood opening, oversize interior anti-draft collar and no-draft zipper garage work together to seal out drafts
- Antisnag zipper enables a smooth, quick zip; 2-way zipper
- Includes liner loops for attaching a sleeping bag liner (not included)
- Mate together left and right zip bags
- Exterior loops let you hang the bag up to dry or for storage
- Includes a storage sack and stuff sack
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 | 10 degrees (F) - ISO |
| Tested Comfort | 23 degrees (F) - ISO |
| Temperature Rating (F) | 23 degrees (F) |
| Temperature Rating (C) | -5 degrees (C) |
| Weight | Regular - Right Zip: 2 lbs. 5 oz. |
| Shell | Recycled 20-denier 400T polyester ripstop with PFAS-free water-repellent finish |
| Zipper Location | Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 600-fill-power DownTek down |
| Fill Weight | Regular - Right Zip: 1 lb. 6 oz. |
| Sleeping Capacity | 1-person |
| Lining | Recycled 20-denier 380T polyester taffeta with PFAS-free water-repellent finish |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular - Right Zip: 66 inches |
| Shoulder Girth (in.) | Regular - Right Zip: 54 inches |
| Hip Girth (in.) | Regular - Right Zip: 53 inches |
| Stuff Sack Size | 9 x 20 inches |
| Stuff Sack Volume | 20.8 liters |
| Compressed Volume | Regular - Right Zip: 6.2 liters |
| Gender | Women's |
| Sustainability | Down certified to the Responsible Down Standard (RDS) Contains recycled materials |
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