How to Choose Sleeping Bags for Backpacking
Marmot Bantamweight 15 Sleeping Bag - Men's
$390.73 – to $432.73Save up to 30%
Ultralight and easy to pack, this Marmot sleeping bag is filled with lofty 900+ fill-power Down Defender. Smooth, curved baffles help keep the down in place to reduce cold spots during the night.
Key Details
Fill
900+ fill-power goose down
Weight
Regular - Center Zip: 1 lb. 8.3 oz.
Short - Center Zip: 1 lb. 6.3 oz.
Long - Center Zip: 1 lb. 11.5 oz.
Compressed Volume
Regular - Center Zip: 6.7 liters
Short - Center Zip: 5.4 liters
Long - Center Zip: 7.7 liters
Temperature Rating (F)
15 degrees (F)
- This lightweight, highly compressible down sleeping bag is ideal when space and weight are at premium
- Certified 900+ fill-power goose down with Down Defender to improve water resistance in wet conditions
- Center zipper for easy access
- Smooth, curved baffles reduce down shifting
- Feely drawcords to cinch hood
- ISO-tested for reliable temperature rating
- Slim mummy fit to reduce weight and increase thermal efficiency
- Compression and storage 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 Marmot 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 | 15 degrees (F) - ISO |
| Tested Comfort | 26 degrees (F) - ISO |
| Temperature Rating (F) | 15 degrees (F) |
| Temperature Rating (C) | -9 degrees (C) |
| Weight | Regular - Center Zip: 1 lb. 8.3 oz. Short - Center Zip: 1 lb. 6.3 oz. Long - Center Zip: 1 lb. 11.5 oz. |
| Ultralight | Yes |
| Shell | 100% nylon ripstop |
| Zipper Location | Front |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 900+ fill-power goose down |
| Fill Weight | Regular - Center Zip: 1 lb. 2 oz. Short - Center Zip: 1 lb. 0.2 oz. Long - Center Zip: 1 lb. 4 oz. |
| Sleeping Capacity | 1-person |
| Lining | 100% nylon ripstop |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular - Center Zip: 81 inches Short - Center Zip: 74 inches Long - Center Zip: 87 inches |
| Shoulder Girth (in.) | Regular - Center Zip: 60 inches Short - Center Zip: 57 inches Long - Center Zip: 62 inches |
| Hip Girth (in.) | Regular - Center Zip: 53.9 inches Short - Center Zip: 52.4 inches Long - Center Zip: 54.7 inches |
| Stuff Sack Size | Regular - Center Zip: 6.3 x 13.8 inches Short - Center Zip: 6.3 x 12.6 inches Long - Center Zip: 6.3 x 14.6 inches |
| Stuff Sack Volume | Regular - Center Zip: 7 liters Short - Center Zip: 6.4 liters Long - Center Zip: 7.4 liters |
| Compressed Volume | Regular - Center Zip: 6.7 liters Short - Center Zip: 5.4 liters Long - Center Zip: 7.7 liters |
| Gender | Men's |
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