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ATEPA VOLCANIC ROCK 240 3 in 1 Sleeping Bag
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: atepa-volcanic-rock-240-3-in-1-sleeping-bag
Overview
Built for campers who want one bag that can adapt to changing conditions, this sleeping bag combines a three-season setup with a lighter summer option in a single design. The inner bag can be removed and used as an envelope-style bag or a blanket, while the side and bottom zippers allow added ventilation when temperatures rise. Details such as the internal mat sleeve, triangle pocket, Velcro tabs, and compression carry bag make it practical for trips where pack space and convenience matter. It is a versatile choice for hiking, camping, and other outdoor overnights where flexibility is more important than a fixed, single-purpose bag.
Why Hunters Choose the Atepa
Three-season Summer
Configurations add flexibility for changing
Inner Bag
Can be removed for use
Double Sleeping
Bag setup offers extra space
Compression Outer
Bag helps reduce packed size
Side Bottom
Zippers open fully for ventilation
Key Features
- 3-in-1 sleeping bag with 240g three-season and 120g summer configurations for adjustable use.
- Inner bag can be removed and used as an envelope sleeping bag or a blanket.
- Can be used as a double sleeping bag for extra space or shared with a companion.
- Internal cover design allows mats to be placed inside for added comfort and warmth.
- Compression outer bag helps reduce storage volume for easier packing and carrying.
- Side and bottom zippers can fully open for ventilation or blanket-style use.
- Includes triangle pocket, Velcro pocket, drawstring brim, and hanging loops for added convenience.
Best Used For
- Campers wanting a three-season bag with adjustable warmth for changing overnight temperatures.
- Summer backpackers needing a lighter sleeping bag option with compact packed size.
- Hunters sharing a camp setup who want a double sleeping bag or blanket configuration.
- Outdoor users who prefer easy ventilation and full-open zipper access in mild weather.
- Travelers needing a packable sleeping bag with storage loops and compression carry bag.
Specifications
| Blanket Use | Yes |
|---|---|
| Carry Bag | 100% 40D Nylon |
| Comfort Temperature Range | 54 /12 |
| Compression Outer Bag | Yes |
| Double Handled Zippers | Yes |
| Double Open Zippers | Yes |
| Double Sleeping Bag Use | Yes |
| Drawstring At Hat Brim | Yes |
| Envelope Sleeping Bag Use | Yes |
| Extreme Temperature Range | 25/-4 |
| Filling | 100% Polyester |
| Hanging Loops At Feet | 2 |
| Inner Cover Design | Yes |
| Limit Temperature Range | 46/8 |
| Lining | 100% 40D Nylon |
| Material | 40D nylon plain weave |
| Outer Fabric | 100% 40D Nylon |
| Packaged Size | 39x23cm |
| Season | Three-season / Summer |
| Side And Bottom Zippers Fully Openable | Yes |
| Size | (190+30)x80cm |
| Sleeping Bag Weight | 240g / 120g |
| Triangle Pocket Design | Yes |
| Velcro Pocket | Yes |
| Velcro Tabs | Yes |
| Weight | 2kg (4.4lbs) |
Pros
- Three-season and summer configurations add flexibility for changing camp conditions.
- Inner bag can be removed for use as an envelope bag or blanket.
- Double sleeping bag setup offers extra space or shared sleeping.
- Compression outer bag helps reduce packed size for easier transport.
- Side and bottom zippers open fully for ventilation or blanket use.
- Triangle pocket and built-in Velcro pocket provide small-item storage.
Considerations & Trade-offs
- The 3-in-1 layout adds versatility, but it also means the bag is designed around adaptability rather than a single dedicated use case.
- At 2kg packed weight, it is not a minimalist option for hunters or backpackers prioritizing the lightest possible sleep system.
- The stated comfort, limit, and extreme temperature ranges indicate it is intended for specific conditions, so trip planning should be matched carefully to expected weather.
- Features like the compression outer bag, hanging loops, and full-open zippers improve convenience, but they also add complexity compared with a simpler sleeping bag design.
Suggested Comparisons
- Three-season sleeping bags
- Summer sleeping bags
- Double sleeping bags
- Camping blankets
Suggested Accessories
- Sleeping pad
- Compression sack
- Camping pillow
- Sleeping bag liner
Frequently Asked Questions
Is the ATEPA VOLCANIC ROCK 240 a single sleeping bag or a modular system?
It is described as a 3 in 1 sleeping bag. The long description says it includes a 240g three-season sleeping bag and a 120g summer sleeping bag, and that the inner bag can be disassembled for different uses.
Can this sleeping bag be used as a blanket or opened fully for ventilation?
Yes. The description says the sides and bottom can be fully opened for ventilation or to use it as a blanket.
Does it work as a double sleeping bag?
The long description says it can be used as a double sleeping bag for extra space or to share with a companion.
What temperature ratings are listed for this sleeping bag?
The provided specifications list a comfort temperature range of 54 / 12, a limit temperature range of 46 / 8, and an extreme temperature range of 25 / -4. The source does not explain the units beyond what is shown.
What are the packed size and carry details?
The listed packaged size is 39x23cm, and it comes with a compression outer bag to reduce storage volume for packing and carry.