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ATEPA DENALI 550L Down Sleeping Bag-Mummy
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$169.99
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SKU: atepa-denali-550l-down-sleeping-bag-mummy
Overview
Built for hikers and self-driving campers, this one-person mummy sleeping bag is aimed at trips where packability and warmth both matter. It uses down insulation and is ISO tested to a 34°F comfort rating, with a tested lower limit of 25°F and a 30°F temperature rating, making it a practical option for cool-weather overnights. The design includes a stringing system for easier on-and-off use, a 3D chest collar and windshield at the hood, and a YKK zipper with an anti-clip patch for added convenience. At 1.1 kg, it stays relatively light for carrying between camp setups, and the included gauze net storage bag helps keep it protected when not in use.
Why Hunters Choose the Atepa
Iso-tested Comfort
Rating of 34°F supports three-season
Tested Lower
Limit of 25°F provides a
Down Insulation
90/10 white duck down and
Lightweight 1.1
Kg design suits hiking and
Ykk Dual-opening
Self-lock zipper adds convenient, controlled
Key Features
- Down sleeping bag designed for one-person use.
- ISO tested comfort rating of 34°F.
- ISO tested lower limit of 25°F.
- Temperature rating of 30°F.
- Lightweight 1.1 kg construction for portability.
- Includes gauze net storage bag for protection.
Best Used For
- Hiking campers needing a lightweight one-person sleeping bag for cooler nights.
- Self-driving campers wanting compact comfort and easy packing for overnight trips.
- Users who prefer a mummy-style bag with down insulation and a 30°F rating.
- Campers looking for convenient entry, exit, and zipper handling in camp gear.
- Outdoor enthusiasts who value included storage protection for down sleeping bags.
Specifications
| Chest Collar | 3D three-dimensional chest collar |
|---|---|
| Down Fill | 90/10 white duck down |
| Fabric | 15D nylon dark grid |
| Fill Power | 650+ |
| Fill Weight | 550G |
| Foot Space | Comfortable foot space |
| Hat Mouth | Flat rope |
| Insulation Type | Down |
| Iso Tested Comfort F | 34 degrees (F) |
| Iso Tested Lower Limit F | 25 degrees (F) |
| Secondary Fabric | 15D nylon flat line |
| Sleeping Bag Type | Mummy |
| Sleeping Capacity | 1-person |
| Storage Bag | Gauze net storage bag |
| Temperature Rating F | 30 degrees (F) |
| Weight | 1.1kg |
| Windshield | At the hat mouth |
| Zipper | YKK zipper with dual-opening self-lock mechanism |
Pros
- ISO-tested comfort rating of 34°F supports three-season camping use.
- Tested lower limit of 25°F provides a verified cold-weather reference point.
- Down insulation with 90/10 white duck down and FP650+550G fill.
- Lightweight 1.1 kg design suits hiking and self-driving camping trips.
- YKK dual-opening self-lock zipper adds convenient, controlled operation.
- Includes a gauze net storage bag for protected storage between trips.
Considerations & Trade-offs
- The ISO ratings list a comfort temperature of 34°F, a lower limit of 25°F, and a temperature rating of 30°F, so conditions colder than that may call for additional insulation or a different sleep system.
- This is a 1-person mummy sleeping bag, which favors a more enclosed fit and does not offer the roominess of larger bag styles.
- The listed weight is 1.1 kg, which is relatively light for carrying, but the trade-off is that it is still a dedicated down bag rather than a bulk-free minimalist option.
- The included gauze net storage bag is useful for storage, but it is not a substitute for a full protective stuff sack or hard-case storage solution if you need more robust transport protection.
Suggested Comparisons
- Down sleeping bag
- Mummy sleeping bag
- Three-season sleeping bag
- Backpacking sleeping bag
Suggested Accessories
- Sleeping bag liner
- Compression sack
- Camping pillow
- Sleeping pad
Frequently Asked Questions
What temperature range is listed for the ATEPA DENALI 550L Down Sleeping Bag-Mummy?
The product lists a tested lower limit of 25°F, an ISO tested comfort rating of 34°F, and a temperature rating of 30°F.
Is this sleeping bag designed for one person or multiple people?
It is listed as a 1-person sleeping bag.
What type of insulation does this sleeping bag use?
The product lists down insulation, with 90/10 white duck down filling and FP650+550G noted in the description.
What features are mentioned for ease of use and closure?
The description mentions a stringing design for easier wear and removal, an oblique seam and string zipper design, and a YKK zipper with a dual-opening self-lock mechanism and anti-clip patch.
What comes included with the sleeping bag for storage?
An affordable gauze net storage bag is included according to the description.