Sleeping BagAtepaSold by BroadOut

Atepa

ATEPA ELEMENTS 600 3-in-1 Convertible Sleeping Bag | 600g 650FP Down, Extra-Wide Cold Weather Bag & Quilt, Zips to Double

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

3-in-1 Sleep

System converts between sleeping bag,

Extra-wide Rectangular

Design measures 88.6 inches long

Detachable Hood

Lets you use the bag

Two Elements

600 bags zip together to

Filled 600g

600g of 650+ fill power

$139.99
View on BroadOut

You'll be taken to BroadOut to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: atepa-elements-600-3-in-1-convertible-sleeping-bag-600g-650fp-do

Overview

Built for hunters and other outdoorsmen who want one sleep system to cover changing conditions, this bag combines a roomy rectangular cut with multiple carry options for camp, truck, or backcountry use. It can be used as a sleeping bag, opened into a quilt, worn as a poncho, or zipped to another bag to create a double setup. The down fill, detachable hood, pad attachment straps, and draft-protection details are aimed at keeping the system adaptable and comfortable in cool-weather trips. Its trade-off is clear: the extra space and versatility favor comfort and flexibility over a more compact, minimalist design.

Why Hunters Choose the Atepa

3-in-1 Design

Converts between sleeping bag, quilt,

Extra-wide Rectangular

Shape offers more room to

Two Bags

Zip together to create a

Includes Three

Pad attachment straps to help

Detachable Hood

Draft features add adjustable coverage

Key Features

  • 3-in-1 sleep system converts between sleeping bag, quilt, and poncho/shawl.
  • Extra-wide rectangular design measures 88.6 inches long by 35.4 inches wide.
  • Detachable hood lets you use the bag fully enclosed or as a more open quilt.
  • Two ELEMENTS 600 bags zip together to create a double sleeping bag.
  • Filled with 600g of 650+ fill power duck down for insulated warmth.
  • Includes three adjustable pad attachment straps for use with inflatable sleeping pads up to 25 inches wide.

Best Used For

  • Backpackers needing one adaptable sleep system for variable three-season conditions
  • Car campers and overlanders wanting spacious, packable comfort with multiple setup options
  • Couples planning trips where two bags can zip together into a double
  • Side sleepers who prefer extra room and an unrestricted rectangular shape
  • Campers wanting a quilt or poncho option for cooler mornings and evenings

Specifications

Convertible ToQuilt, Poncho/Shawl, Double bag
Fill600g 650+ fill power duck down
Included ItemsSleeping bag, Compression sack, Attachment straps
Liner Material20D 400T recycled nylon
Packed Size14.17" x 7.87" diameter (36 x 20 cm)
Pad CompatibilityUp to 25" wide inflatable sleeping pad
ShapeExtra-wide rectangular
Shell Material20D 400T recycled nylon
Special FeaturesDetachable hood, Pad attachment straps (3), Double-zip compatibility, Insulated draft tube, Adjustable shoulder drawstrings, Velcro-secured neck baffle, Water-repellent finish
Temperature Rating Comfort39.2°F (4°C)
Temperature Rating Extreme3.2°F (-16°C)
Temperature Rating Limit30.2°F (-1°C)
Unfolded Size88.6" L x 35.4" W (225 x 90 cm)
Weight3.3 lbs (1.5 kg)

Pros

  • 3-in-1 design converts between sleeping bag, quilt, and poncho for flexible use
  • Extra-wide rectangular shape offers more room to stretch and change positions
  • Two bags zip together to create a double sleeping bag for partner camping
  • Includes three pad attachment straps to help secure the bag to a sleeping pad
  • Detachable hood and draft features add adjustable coverage for cooler nights
  • Compresses into the included sack for easier packing and transport

Considerations & Trade-offs

  • The extra-wide rectangular cut prioritizes room to move, so it may feel less thermally efficient than a narrower mummy-style bag in the same temperature range.
  • Its 3-in-1 design adds versatility, but using it as a quilt or poncho means giving up the fully enclosed setup and draft protection of the zipped sleeping-bag mode.
  • The comfort rating is 39.2°F (4°C), so trips colder than that call for careful layering and realistic expectations rather than relying on the bag alone.
  • At 3.3 lb with a packed size of 14.17" x 7.87", it is compact for a down system, but still a noticeable carry for hunters or backpackers trying to minimize pack weight.

Suggested Comparisons

  • Cold-weather sleeping bags
  • Quilts and blanket-style sleep systems
  • Double sleeping bags for couples
  • Sleeping pad attachment accessories

Suggested Accessories

  • Sleeping pad
  • Compression sack
  • Camp pillow
  • Sleeping bag liner

Frequently Asked Questions

What temperature range is this sleeping bag rated for?

The ISO ratings listed are comfort 39.2°F (4°C), limit 30.2°F (-1°C), and extreme 3.2°F (-16°C).

Can the ELEMENTS 600 be used as more than a sleeping bag?

Yes. The product description says it converts into a quilt or blanket, and it can also be used as a poncho/shawl. The hood is detachable.

Can two bags be zipped together for two people?

Yes. The description states that two ELEMENTS 600 bags zip together to create a double sleeping bag.

Does it attach to a sleeping pad?

Yes. It includes three adjustable straps for securing the bag to an inflatable sleeping pad up to 25 inches wide.

What comes included with the bag?

The listed included items are the sleeping bag, a compression sack, and attachment straps.