Skip to main content

Therm-a-Rest Questar 0 Down Sleeping Bag (-18C)

Therm-a-Rest Questar 0 Down Sleeping Bag (-18C)
$459.95
Size:
Regular
Please select options

Details

Packed with features needed for cold-weather camping, the Questar™ offers supreme comfort and versatility.

When you need feature-packed comfort for frigid backcountry conditions, it’s time to pack the Questar 0F/-18C.

Thermarest has loaded this bag with the comfort features that Therm-a-Rest bags are known for. The Thermarest SynergyLink™ Connectors integrate the bag with your sleeping pad while allowing our Zoned Insulation to keep fill where you need it most.

The fit of the bag has been perfected in our onsite cold chamber to create our W.A.R.M. fit that allows room for multiple sleep positions without compromising thermal efficiency.

Stuffed with water-resistant 650 fill Nikwax Hydrophobic Down certified by the Responsible Down Standard, the four-season Questar is ready for your next backcountry adventure.

The Questar is offered in three sizes, and designed to fit both men and women. Compression sack and storage sack included.

Weight: 1.21kg / 2.67lbs
Fill: 650 fill power Nikwax Hydrophobic RDS Down
Fill Weight: 820g / 1.81lbs

650 fill Nikwax Hydrophobic Down™: Absorbs 90% less water and dries 3 times faster without using dangerous PFCs.

W.A.R.M. Fit: With Additional Room for Multiple positions (W.A.R.M.) fit means this bag allows for various natural sleep positions while maintaining thermal efficiency.

SynergyLink™ Connectors: Integrate the bag with a pad for optimal efficiency and comfort; removable for versatility.

Zoned Insulation: Maximizes warmth and saves weight by intentionally placing fill where you need it most.

Box Baffled Construction: Uses mesh walls to maximize loft and minimize cold spots.

Toe-asis™ Foot Warmer Pocket: Ergonomic toe box that rapidly warms cold feet in a pocket of warm down.

Quilt and Blanket Loops: Customize your sleep system by layering our quilts or tech blankets for increased warmth.

Responsible Down Standard Certified: Certification that ensures that the waterfowl in the down supply chain are treated humanely.

Additional features: Heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket.

Compression sack and storage sack included

Recommended Use

Backpacking

Seasons 

Winter (-16C and Colder)

Temperature Rating

-18C

Comfort Limit

-10C

Lower Limit

-18C

Shape

Mummy

Insulation Type

650+ Fill Power

Nikwax Hydrophobic Duck Down

Fill Weight

Small - 0.750 kg / 1.63lbs

Regular - 0.820 kg / 1.80lbs

 

Long - 0.890 kg / 1.96lbs

Weight

Small: 1.17 kg/ 2.57 llbs

Regular: 1.21 kg/ 2.66 llbs

Long: 1.38 kg/ 3.04 lbs

Fits to User Height

Small - 168cm /66”

Regular - 183cm /72”

Long - 198cm / 78"

Length

Small - 185 cm / 73"

Regular - 203 cm / 80"

Long - 216 cm / 85"

Girth

Shoulder

Small - 147 cm / 58"

Regular - 160 cm / 63"

Long - 168 cm / 66"

Hip

Small - 147 cm / 58"

Regular - 155 cm / 61"

Long - 163 cm / 64"

Foot

Small - 112 cm / 44"

Regular - 117 cm / 46"

Long - 130 cm / 51"

Stuff Sack Size

20 x 25cm / 8 x 10"

Packed Volume

6.9 liters

Fabric

Shell

20D Polyester w/ DWR

Lining

20D Polyester Taffeta

Videos

Therm-a-Rest Questar™ Sleeping Bag

Our award-winning Questar™ down sleeping bag is a warm, lightweight and fully-featured sleeping bag offered at three different temperature ratings: 0F/-18C, 20F/-6C, and 32F/0C. Learn more about the Questar Sleeping Bag: https://bit.ly/2QsqJJn We've loaded this down sleeping bag with the comfort features that Therm-a-Rest bags are known for. Our SynergyLink™ Connectors integrate the bag with your sleeping pad while allowing our zoned insulation to keep fill where you need it most. The fit of the bag has been perfected in our onsite cold chamber to create our W.A.R.M. fit that allows room for multiple sleep positions without compromising thermal efficiency. Stuffed with water-resistant 650 fill Nikwax® Hydrophobic Down certified by the Responsible Down Standard, the Questar down sleeping bag is ready for your next backcountry adventure. Features: • 650 Fill Nikwax® Hydrophobic Down™ absorbs 90% less water and dries faster. • W.A.R.M fit keeps you warm in various natural sleeping positions. • Zoned insulation intentionally places down where you need it most. • Toe-asis™ foot warmer pocket rapidly warms cold feet. • Offered in three sizes, and designed to fit both men and women.

Part Numbers

Option UPC MPN Store SKU
Regular 040818131596 13159 SLE516020950