Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Marmot Never Summer 0 Sleeping Bag - Men's
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When temperatures plunge, the men's Marmot Never Summer 0° sleeping bag is a must-have for staying warm in camp—and it packs up tightly for transport.
Shop similar productsKey Details
Fill
650-fill-power duck down
Temperature Rating (F)
0 degrees (F)
- Certified 650-fill-power down with Down Defender to improve water resistance in wet conditions
- Dual side half zippers for easy access
- Extended zipper flaps to provide extra blanketlike coverage when unzipped
- Footbox zipper opens when you want extra space and closes for extra warmth
- Cinchable draft collar to prevent heat loss
- Internal stash pocket
- Recycled shell and lining fabrics for a sustainable choice
- ISO-tested for reliable temperature rating
- Stuff 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 Camping 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 | Camping |
|---|---|
| Tested Lower Limit | 5 degrees (F) - ISO |
| Tested Comfort | 18 degrees (F) - ISO |
| Temperature Rating (F) | 0 degrees (F) |
| Temperature Rating (C) | -18 degrees (C) |
| Shell | 20-denier 100% recycled nylon ripstop |
| Zipper Location | Left/Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 650-fill-power duck down |
| Sleeping Capacity | 1-person |
| Lining | 20-denier 100% recycled nylon taffeta |
| Sleeping Bag Shape | Mummy |
| Gender | Men's |
Buying Advice
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kevin
Scottsdale Ari
Kevin’s bag
8 months ago
Im a large man that camps often. This bag looked large enough for me not to feel cramped. It didn’t disappoint. Long enough for a 6’1 230 lb Easy in and out zippers worked with ease. One night it got down to 28 and I was still comfortable. Highly recommend
Age:65–74
Yes , I recommend this product