How to Choose Sleeping Bags for Backpacking
Big Agnes Greystone 30 Sleeping Bag - Men's
$171.93Compared to $229.95* Save 25%
Ideal for backpacking but versatile enough for couch surfing, the Big Agnes Greystone 30 sleeping bag is insulated with DownTek™ and uses baffle construction for efficient heat distribution.
Key Details
Fill
600-fill-power DownTek down
Weight
Regular - Left Zip: 1 lb. 13 oz.
Long - Left Zip: 1 lb. 15 oz.
Compressed Volume
Regular - Left Zip: 5.7 liters
Long - Left Zip: 8.3 liters
Temperature Rating (F)
30 degrees (F)
- Traditional down mummy bag delivers technical, lightweight performance to excel on and off the trail with high thermal value, compressibility and comfort wherever you go
- Contoured hood follows the shape of your head for a more comfortable fit
- Oversize interior anti-draft collar
- Low-profile cordlock lets you uncinch the hood with one hand
- Insulated tube along upper hood opening seals out drafts when cinched
- Anti-snag zipper for a smooth, quick zip
- 65 in./165 cm YKK #5 antisnag locking zipper
- 2-way zipper and zipper garage
- Liner loops
- Mate together left and right zip bags
- No-draft collar and no-draft zipper
- Exterior loops for hang drying or storage
- Storage sack and 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 | 27 degrees (F) - ISO |
| Tested Comfort | 37 degrees (F) - ISO |
| Temperature Rating (F) | 30 degrees (F) |
| Temperature Rating (C) | -1 degrees (C) |
| Weight | Regular - Left Zip: 1 lb. 13 oz. Long - Left Zip: 1 lb. 15 oz. |
| Shell | GRS-certified recycled 20-denier 400T polyester ripstop with PFC-free water-repellent finish |
| Zipper Location | Left |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 600-fill-power DownTek down |
| Fill Weight | Regular - Left Zip: 12 ounces Long - Left Zip: 14 ounces |
| Sleeping Capacity | 1-person |
| Lining | GRS-certified recycled 20-denier 380T polyester taffeta with PFC-free water-repellent finish |
| 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 | 8 x 17.5 inches |
| Stuff Sack Volume | 14.4 liters |
| Compressed Volume | Regular - Left Zip: 5.7 liters Long - Left Zip: 8.3 liters |
| Gender | Men's |
| Sustainability | Contains recycled materials Down certified to the Responsible Down Standard (RDS) |
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