Therm-a-Rest Questar 0F/-18C - Long

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Sale price$311.00 Regular price$366.00


The Therm-A-Rest Questar™ 0F/-18C Sleeping Bag is the sleeping bag for you if you're looking for feature-packed comfort whilst exploring the great outdoors in very cold conditions.

Packed with the comfort features that Therm-a-Rest sleeping bags are renowned for, this Questar™ 0F/-18C Sleeping Bag doesn't leave you without. Their SynergyLink™ Connectors integrate the bag with your sleeping pad whilst the Zoned Insulation is allowed to keep fill where you need it most. Created to to Therm-A-Rest's W.A.R.M. fit design that allows room for you to be able to get your sleep in a number of different typical sleeping positions without the constraints found in other sleeping bags and without compromising thermal efficiency.

The water-resistant 650 fill Nikwax Hydrophobic Down has been certified by the Responsible Down Standard and the sleeping bag comes with a compression sack and storage sack included, so this four-season Questar sleeping bag is ready for your next great adventure.

Also available in size: Regular


  • 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 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


  • Size: Long
  • Colour: Balsam
  • Comfort Range: -10 C / 14 F
  • Limit Range: -18 C / 0 F
    • Weight: 3 lbs 1 oz  / 1.38 kg
    • Dimensions: 33 x 85 x 5.5 in
    • Height: 78 in / 198 cm
    • Girth, Shoulder: 66 in / 168 cm
    • Girth, Hip: 64 in / 163 cm
    • Girth, Foot box: 51 in / 130 cm
      • Packed Dimensions: 8 x 10 in / 20 x 25 cm
      • Fill Material: 650 Fill Duck Nikwax Hydrophobic Down RDS
      • Fill Weight: 1 lbs 15 oz / 0.89 kg
      • Shell Fabric: 20D Polyester w/ DWR
      • Lining Fabric: 20D Polyester Taffeta

      Base Camp Food are proud to be an official Therm-A-Rest UK retailer. To view the full range of Therm-A-Rest products, click here.

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