Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Mammut Relax Fiber 28F/-2C Sleeping Bag - Women's
$164.73Compared to $219.95*Save 25%
Great for warm summer nights and RV trips, this Mammut sleeping bag has an optimized fit for more comfort. Ajungilak fiber insulation is impervious to moisture and easy to care for.
Key Details
Fill
Fiber
Weight
2 lbs. 11.4 oz.
Compressed Volume
10.7 liters
Temperature Rating (F)
28 degrees (F)
- Enjoy restorative sleep thanks to an updated sleeping bag shape
- Special material to prevent noise and increase comfort
- Ajungilak fiber makes the sleeping bag impervious to moisture and easy to care for
- PFC-free durable water repellent (DWR) treatment
- Lining made from 100% recycled polyester
- Intuitive climate regulation with a central 2-way zipper
- Insulated covering along the zipper to protect from cold bridges and enhance climate comfort
- Zipper garage reduces cold areas at the end of the zipper
- Comfortable, soft material in the hood reduces noise and increases comfort
- Insulation chamber around the hood opening to protect from cold and wind
- Internal pocket to store valuables
- Revised anatomic footbox for greater comfort without extra weight
- Includes a deep sleep mask and earplugs to reduce light and noises
- Comes with a packing bag
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 | 28 degrees (F) - ISO |
| Tested Comfort | 37 degrees (F) - ISO |
| Temperature Rating (F) | 28 degrees (F) |
| Temperature Rating (C) | -2 degrees (C) |
| Weight | 2 lbs. 11.4 oz. |
| Shell | 55% polyester |
| Zipper Location | Front |
| Insulation Type | Synthetic |
| Fill | Fiber |
| Fill Weight | 1 lb. 9.4 oz. |
| Sleeping Capacity | 1-person |
| Lining | 100% polyester |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 68.9 inches |
| Shoulder Girth (in.) | 67 inches |
| Hip Girth (in.) | Unavailable |
| Stuff Sack Size | Unavailable |
| Stuff Sack Volume | Unavailable |
| Compressed Volume | 10.7 liters |
| Gender | Women's |
| Sustainability | Product meets the bluesign® criteria Contains recycled materials |
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