Stay cozy in the Big Agnes Anthracite 20, a mummy-style sleeping bag that’s light enough to stuff in your pack for summer backpacking but comfortable enough for backyard campouts with the kids.
Features
- This traditional mummy bag provides technical, lightweight performance to excel on and off the trail with high thermal value, compressibility and comfort wherever you go
- 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
- Silky insulation fibers provide a soft feel and great compression for packability
- Roomier mummy shape than a traditional bag design for 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 seals out drafts when cinched
- 65 in. (165 cm) YKK #5 antisnag locking 2-way zipper with zipper garage offers a smooth, quick zip
- Oversize interior anti-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.
Technical Specs
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | 22 degrees (F) – ISO |
| Tested Comfort | 32 degrees (F) – ISO |
| Temperature Rating (F) | 20 degrees (F) |
| Temperature Rating (C) | -7 degrees (C) |
| Weight | Regular – Left Zip: 2 lbs. 12 oz. Long – Left Zip: 3 lbs. 1 oz. |
| Shell | GRS-certified recycled 20-denier 400T polyester ripstop |
| Zipper Location | Left |
| Insulation Type | Synthetic |
| Fill | Fireline PRO Eco recycled synthetic fibers |
| Fill Weight | Regular – Left Zip: 1 lb. 14 oz. Long – Left Zip: 2 lbs. 2 oz. |
| Lining | Recycled 50-denier 300T polyester pongee |
| 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 | Regular – Left Zip: 8 x 17.5 inches Long – Left Zip: 9 x 16 inches |
| Stuff Sack Volume | Regular – Left Zip: 14.4 liters Long – Left Zip: 16.6 liters |
| Compressed Volume | Regular – Left Zip: 7.4 liters Long – Left Zip: 11 liters |
| Gender | Unisex |
| Sustainability | Contains recycled materials |

















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