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Big Agnes Anvil Horn 15
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$279.95
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SKU: big-agnes-anvil-horn-15
Overview
Built for mountain nights, this sleeping bag combines DownTek insulation with a roomy rectangular shape for added comfort when temperatures drop. The flex pad fleece is designed to support movement without feeling restrictive, while the Big Agnes system helps keep you positioned on your pad through the night. It is a practical choice for hunters and outdoor travelers who want a more spacious sleep setup without giving up packability. The trade-off is that its comfort-focused design favors room and stability over a more compact, minimalist profile.
Why Hunters Choose the Big Agnes
Roomy Rectangular
Shape allows more natural sleeping
Downtek Insulation
Down-filled sleeping bag design
Flex Pad
Fleece adds comfort and supports
Big Agnes
System design helps keep you
Lightweight 2.5-pound
Packed weight suits mountain trips
Key Features
- Roomy rectangular sleeping bag shape for added space and comfort.
- DownTek insulation provides 650 fill power down insulation.
- Flex pad fleece helps allow movement while sleeping.
- Big Agnes system design helps keep you on your pad.
- Weight is listed at 2.5 lbs.
- Compressed bag size is 5.5 inches by 7.5 inches.
- Stuff sack size is 14L, 8 inches by 17.5 inches.
Best Used For
- Hunters wanting a roomy rectangular sleeping bag for mountain nights and camp comfort
- Users who prefer integrated pad stability to help stay positioned during sleep
- Backcountry campers looking for a lightweight 2.5-pound sleep system
- Outdoor enthusiasts who value added movement room over a traditional mummy shape
- Trip planners needing a compressible bag for packing into a 14L stuff sack
Specifications
| Compressed Bag Size | 5.5" x 7.5" |
|---|---|
| Fill Type | 650 Downtek |
| Flex Pad Fleece | Yes |
| Insulation | DownTek |
| Shape | Roomy rectangle |
| Stuff Sack Size | 14L 8" x 17.5" |
| System Design | Big Agnes system design |
| Weight | 40 oz |
Pros
- Roomy rectangular shape allows more natural sleeping positions and extra comfort
- DownTek insulation provides a down-filled sleeping bag design
- Flex pad fleece adds comfort and supports movement during the night
- Big Agnes system design helps keep you positioned on your pad
- Lightweight 2.5-pound packed weight suits mountain trips
- Compresses to a compact 5.5 x 7.5-inch bag size
Considerations & Trade-offs
- Roomy rectangular shape prioritizes comfort and movement, but it is less compact than a more tapered sleeping bag.
- The Big Agnes system design is built around use with a pad, so it is best suited to users who plan to sleep with that setup.
- At 2.5 lbs, it is not the lightest option for hunters trying to minimize pack weight.
- The compressed bag size and 14L stuff sack size indicate a noticeable packed volume, which may matter on tighter backcountry loads.
Suggested Comparisons
- Rectangular sleeping bag
- Mummy sleeping bag
- Backpacking quilt
- Sleeping bag system
Suggested Accessories
- Sleeping pad
- Sleeping bag liner
- Compression sack
- Pillow
Frequently Asked Questions
What type of sleeping bag is the Big Agnes Anvil Horn 15?
It is a roomy, rectangular sleeping bag designed with Big Agnes’s system approach and a flex pad fleece feature for movement and comfort.
Does this bag include insulation details?
Yes. The product data lists 650 DownTek fill.
Is the Anvil Horn 15 designed to work with a sleeping pad?
Yes. The long description says the Big Agnes system design helps keep you from sliding off your pad.
What packed size information is provided?
The compressed bag size is listed as 5.5" x 7.5", and the stuff sack size is listed as 14L 8" x 17.5".
What is the listed weight of this sleeping bag?
The product data lists a weight of 2.5 lbs.