How to Choose Sleeping Bags for Backpacking
Big Agnes Anthracite 20 Sleeping Bag - Women's
$104.73Compared to $139.95*Save 25%
Stay cozy in this Big Agnes mummy-style women's sleeping bag. It's light enough to stuff in your pack for summer backpacking but comfy enough for backyard campouts with the kids.
Key Details
Fill
Fireline PRO Eco recycled synthetic fibers
Weight
Regular - Right Zip: 3 lbs. 1 oz.
Compressed Volume
Regular - Right Zip: 11 liters
Temperature Rating (F)
20 degrees (F)
- This women-specific bag differs in shape and fill weight with a less drastic taper from shoulders to hips to feet—reducing cold spots and creating more warmth where it counts
- Lightweight, increased thermal value with traditional mummy shape—designed to contour to your body for the most thermally efficient and comfortable night's sleep
- Recycled ripstop shell fabric and lining feature a PFC-free water-repellent finish
- Fireline™ PRO Eco Recycled synthetic insulation is made with multidenier, short-staple fibers with high loft to efficiently trap heat
- Comfortable hood contours to the shape of your face for a snug fit
- Low-profile cordlock lets you uncinch the hood with one hand
- Insulated tube along upper hood opening seals out drafts when cinched
- Antisnag, 2-way zipper with zipper garage offers a smooth, quick zip
- No-draft collar and no-draft zipper
- Interior fabric loops let you secure a sleeping bag liner (liner not included)
- Exterior loops for hang-drying or storage
- Mate together left and right zip bags (additional sleeping bag not included)
- Stuff sack 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 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. 1 oz. |
| Shell | Recycled 20-denier 400T polyester ripstop with PFAS-free water-repellent finish |
| Zipper Location | Right |
| Insulation Type | Synthetic |
| Fill | Fireline PRO Eco recycled synthetic fibers |
| Fill Weight | Regular - Right Zip: 2 lbs. 5 oz. |
| Sleeping Capacity | 1-person |
| Lining | Recycled 50-denier 300T polyester pongee |
| 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 | 10 x 21 inches |
| Stuff Sack Volume | 27 liters |
| Compressed Volume | Regular - Right Zip: 11 liters |
| Gender | Women's |
| Sustainability | Contains recycled materials |
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