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ATEPA ELEMENTS 450 Down Mummy Sleeping Bag
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$139.99
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SKU: atepa-elements-450-down-single-sleeping-bag
Overview
Built for cool-weather nights in camp, this mummy-style sleeping bag is designed to balance warmth, packability, and a close fit around a sleeping pad. Its Coldmaster down fill, box quilting, drawstring hood, and shaped foot compartment are all aimed at helping reduce cold spots while keeping the bag comfortable in use. The recycled nylon fabrics and lightweight construction make it a practical choice for hunters and outdoor travelers who want warmth without unnecessary bulk. With listed temperature ratings of 6°C comfort, 1°C limit, and -14°C extreme, it suits a range of shoulder-season conditions, though it is not intended for deep-winter use.
Why Hunters Choose the Atepa
450g Coldmaster
Down blend provides substantial insulation
3d Box
Quilting helps maintain loft and
Drawstring Hood
3D foot compartment add targeted
Lightweight 1
Kg design is easier to
Recycled Nylon
Fabrics support a more sustainable
Key Features
- Coldmaster(TM) Down mummy sleeping bag with 450g filling for cool-weather use.
- 3D box quilting is designed to improve loft and insulation structure.
- Filled with a down-and-ball-cotton blend, including 55% premium 90/10 down.
- 20D and 15D nylon fabrics are listed as tear-resistant and water-repellent.
- Sized at 220x80-55 cm to fit most standard sleeping pads.
- Features a 3D foot compartment, drawstring hood, and arc quilting.
- Comfort rating is 6C, with limit at 1C and extreme at -14C.
Best Used For
- Cool-weather hunters needing a lightweight sleeping bag for compact backcountry carry
- Campers wanting a mummy bag with listed comfort, limit, and extreme temperature ratings
- Outdoor users who prefer a snug fit around standard sleeping pads to reduce cold spots
- Hunters prioritizing a warm, packable sleep system with recycled fabric materials
- Side sleepers seeking a hooded bag with foot-room shaping and fill-stabilizing quilting
Specifications
| 3d Box Quilting | Present |
|---|---|
| 3d Foot Compartment | Present |
| Arc Quilting | Present |
| Comfort Temperature | 6°C (43°F) |
| Down Blend | 55% premium 90/10 down and 45% ball cotton |
| Drawstring Hood | Present |
| Extreme Temperature | -14°C (6.8°F) |
| Fabric | 15D 480T Nylon Plaid (Recycled) |
| Filling | Coldmaster(TM) Down 450g |
| Limit Temperature | 1°C (34°F) |
| Lining | 20D 400T Nylon Plain Weave (Recycled) |
| Outer Bag Fabric | 100% Polyester (210D Oxford cloth) |
| Recycled Material | Yes |
| Size | 220x80-55 cm (86.6x31.5-21.7 inches) |
| Tear Resistant | Yes |
| Water Repellent | Yes |
| Weight | 1 kg (2.2 lbs) |
Pros
- 450g Coldmaster down blend provides substantial insulation for cool-weather use.
- 3D box quilting helps maintain loft and reduce filling movement.
- Drawstring hood and 3D foot compartment add targeted comfort features.
- Lightweight 1 kg design is easier to carry on backcountry trips.
- Recycled nylon fabrics support a more sustainable material choice.
- Fits most standard sleeping pads for a more secure sleeping setup.
Considerations & Trade-offs
- The comfort rating is 6°C, so this bag is better suited to cool-weather use than to deep-winter conditions.
- The listed extreme rating of -14°C is an emergency threshold, not a comfort target, so colder trips may require additional insulation or a warmer bag.
- At 220 x 80-55 cm, the mummy cut is designed for a snug fit, which can feel restrictive for hunters who prefer more room to move.
- The 1 kg packed weight is light for a down bag, but the 450 g fill and compact design mean warmth is balanced against a more specialized temperature range.
Suggested Comparisons
- Cold-weather sleeping bags
- Mummy sleeping bags
- Ultralight backpacking sleeping bags
- Sleeping bag liners
Suggested Accessories
- Sleeping pad
- Sleeping bag liner
- Compression sack
- Pillow
Frequently Asked Questions
What temperature range is the ATEPA ELEMENTS 450 designed for?
The listed ratings are comfort at 6°C (43°F), limit at 1°C (34°F), and extreme at -14°C (6.8°F).
What fill does this sleeping bag use?
It uses Coldmaster(TM) Down 450g, described as a down and cotton blend with 55% premium 90/10 down and 45% ball cotton.
What are the listed materials for the shell and lining?
The specifications list 15D 480T Nylon Plaid (Recycled) for the fabric, 20D 400T Nylon Plain Weave (Recycled) for the lining, and a 100% polyester 210D Oxford cloth outer bag fabric.
How large is the sleeping bag?
The listed size is 220 x 80-55 cm (86.6 x 31.5-21.7 inches).
What features are included for comfort and insulation?
The description mentions 3D box quilting, a 3D foot compartment, a drawstring hood, and arc quilting designed to help reduce filling movement and cold spots.