How to Choose Sleeping Bags for Backpacking
Big Agnes Greystone 30 Sleeping Bag - Women's
$269.95 – to $279.95
Light, packable and warm, this Big Agnes 30°F women's sleeping bag is ideal for backpacking but comfy enough for couch surfing. It's optimized for a woman's body. The down fill resists moisture.
Key Details
Fill
650-fill-power Downtek™ PFC-free down
Weight
Regular - Right Zip: 1 lb. 15 oz.
Long - Right Zip: 2 lbs. 3 oz.
Compressed Volume
Regular - Right Zip: 10 liters
Long - Right Zip: 12 liters
Temperature Rating (F)
30 degrees (F)
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- Women's Greystone bags have increased insulation and a fit that is shaped to contour to a woman's body, creating an efficient sleeping bag optimized for women
- 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
- Storage sack and stuff sack included
- Compressed dimensions: Regular: 9 x 10 in.; Long: 9.5 x 10 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 | 18 degrees (F) - ISO |
| Tested Comfort | 29 degrees (F) - ISO |
| Temperature Rating (F) | 30 degrees (F) |
| Temperature Rating (C) | -1 degrees (C) |
| Weight | Regular - Right Zip: 1 lb. 15 oz. Long - Right Zip: 2 lbs. 3 oz. |
| Shell | Recycled ripstop polyester with water-repellent finish without intentionally added PFAS |
| Zipper Location | Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 650-fill-power Downtek™ PFC-free down |
| Fill Weight | Regular - Right Zip: 15 ounces Long - Right Zip: 1 lb. 1 oz. |
| Sleeping Capacity | 1-person |
| Lining | Recycled polyester taffeta with water-repellent finish |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular - Right Zip: 66 inches Long - Right Zip: 72 inches |
| Shoulder Girth (in.) | Regular - Right Zip: 54 inches Long - Right Zip: 57 inches |
| Hip Girth (in.) | Regular - Right Zip: 53 inches Long - Right Zip: 56 inches |
| Stuff Sack Size | 8 x 17.5 inches |
| Stuff Sack Volume | 14 liters |
| Compressed Volume | Regular - Right Zip: 10 liters Long - Right Zip: 12 liters |
| Gender | Women's |
| Sustainability | Down certified to the Responsible Down Standard (RDS) |
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