Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Mammut Comfort Down 23/-5C Sleeping Bag
$209.73Compared to $299.95*Save 30%
Perfect for car camping and other evenings under the stars, the Mammut Comfort Down 23°/-5°C sleeping bag is made to effectively keep in heat so you can stay snug and cozy on cold nights.
Key Details
Fill
Mammut Down 650 cu. in.
Weight
2 lbs. 10 oz.
Compressed Volume
6.2 liters
Temperature Rating (F)
23 degrees (F)
- Comfortable down sleeping bag from the Mammut Dream Series
- Optimally insulating mummy silhouette features a zipper baffle and draft collar to effectively seal in heat
- Sleeping bag shape allows for restorative sleep and freedom of movement in the bag
- Unzip the bag and fold down the hood to use it as a blanket in warmer temperatures
- Intuitive temperature regulation with a central 2-way zipper
- High-quality YKK zippers to prevent zipper jams
- Insulated draft tube along the zipper to protect from cold bridges and enhance climate comfort
- Insulated baffle around the hood opening to protect from cold and wind
- Drawstring for easy adjustment of the hood and insulation collar
- Insulated draft collar
- Revised anatomic footbox for greater comfort without extra weight
- Zipper garage reduces cold areas at the end of the zipper
- Stuff sack included
- Efficient cutting pattern reduces waste by 15% (compared to industry average)
- 100% recycled fill and fabrics
- PFC-free water-repellent coating
- Tested according to standard EN ISO 23537-1:2016
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 Mammut 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 | 23 degrees (F) - ISO |
| Tested Comfort | 32 degrees (F) - ISO |
| Temperature Rating (F) | 23 degrees (F) |
| Temperature Rating (C) | -5 degrees (C) |
| Weight | 2 lbs. 10 oz. |
| Shell | 100% polyester |
| Zipper Location | Front |
| Insulation Type | Down |
| Fill | Mammut Down 650 cu. in. |
| Fill Weight | 1 lb. 5.2 oz. |
| Sleeping Capacity | 1-person |
| Lining | 100% polyester |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 76.8 inches |
| Shoulder Girth (in.) | Unavailable |
| Hip Girth (in.) | Unavailable |
| Stuff Sack Size | 8 x 9 inches |
| Stuff Sack Volume | 12 liters |
| Compressed Volume | 6.2 liters |
| Gender | Unisex |
| Sustainability | Product meets the bluesign® criteria Contains recycled materials |
Buying Advice
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Location:Colorado
Age:65–74
3 weeks ago
Comfortable
Yes , I recommend this product
Perfect size. Really like the centered zipper. Packs into a very small stuff sack. Comfortable fit, especially around the shoulders.
Age:65–74
Location:Cleveland ohio
Age:65–74
1 month ago
Good bag, stuff sack too small
Yes , I recommend this product
The bag is good and I like the middle zipper,. The stuff sack is too small needs to be a liter larger.
Age:65–74