Questar 0

$351.96 - $375.96


When you need feature-packed comfort for frigid backcountry conditions, it’s time to pack the Questar 0F/-18C. This bag is loaded with the comfort features that Therm-a-Rest bags are known for. SynergyLink™ Connectors integrate the bag with your sleeping pad while allowing the Zoned Insulation to keep fill where you need it most.

The fit of the bag has been perfected in Therm-a-Rest's onsite cold chamber to create their W.A.R.M. fit and 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 is ready for your next backcountry adventure.<br />
Compression sack and storage sack included. Sleeping pad sold separately.

Compression sack and storage sack included. Sleeping pad sold separately.


Regular: 2 lbs 11 oz / 1.21 kg
Long: 3 lbs 1 oz / 1.38 kg
Temperature Rating F:
0° F
Temperature Rating C:
-18° C
Insulation Type:
650 Fill Duck Nikwax Hydrophobic Down RDS
Fill Weight:
Regular: 1 lbs 13 oz / 0.82 kg
Long: 1 lbs 15 oz / 0.89 kg
Shell Material:
20D Polyester w/ DWR
Lining Material:
20D Polyester Taffeta
Reg: fits users up to 6 ft
Long: fits users up to 6 ft 6 in
Stuff Size:
8 x 10 in
5.5 in
Circumference at Shoulders:
Reg: 63 in.
Long: 66 in.
Circumference at Hips:
Reg: 61 in.
Long: 64 in.
Circumference at Foot:
Reg: 46 in.
Long: 51 in.
Other Features:
  • 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 comfort and thermal efficiency; removable for versatility.
  • Zoned Insulation: Maximizes warmth and saves weight by intentionally placing down where you need it most.
  • Box Baffled Construction: Uses mesh walls to maximize loft and minimize cold spots.
  • Toe-asis™ Foot Warmer Pocket: Baffled pocket of insulation rapidly warms cold feet.
  • Quilt and Blanket Loops: Customize your sleep system by layering Therm-a-Rest 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

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