Therm-a-Rest Questar 20F Down Sleeping Bag


The Therm-a-Rest Questar Provides Three Season Comfort in a Feature Packed Hydrophobic Down Sleeping Bag.


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The Therm-a-Rest Questar 20F Down Sleeping Bag is the feature-packed down bag you’ve always wanted. We’ve loaded this bag with the comfort-enhancing hallmarks Therm-a-Rest bags are known for, such as our SynergyLink™ Connectors, which integrate the bag with a mattress, and our ThermaCapture™ Seams that trap your radiant body heat. Stuffed with water-resistant 650 Fill Nikwax Hydrophobic Down, and sporting integrated Quilt and Blanket Loops for sleep system customization, the three-season Questar is ready for your next backcountry adventure. The Questar is offered in three sizes, and designed to fit both men and women. Stuff sack and storage sack included.

Video: Therm-a-Rest Questar HD 20


  • SynergyLink™ Connectors: Integrate the bag with a mattress for optimal comfort and efficiency; removable for versatility.
  • ThermaCapture™ Seams: Trap radiant body heat and retain warmth without adding bulk or weight.
  • Zoned Insulation: Maximizes warmth and saves weight.
  • 650 Fill Nikwax® Hydrophobic Down: Dries 3 times faster than untreated down without using dangerous PFCs.
  • Toe-asis™ Foot Warmer Pocket: Rapidly warms cold feet.
  • Quilt and Blanket Loops: Customize your sleep system by layering our quilts or tech blankets for increased warmth.
  • Additional features: Heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket.


Color: Gemini Green;  Length: 73" (Small)  79" (Regular)  85" (Long);  Weight: 2 lbs-0 oz (Small)  2 lbs-5 oz (Regular)  2 lbs-7 oz (Long);  Packed Dimensions: 9" x 14";  Fits: 5'-6" (Small)  6'-0" (Regular)  6'-6" (Long);  Foot Width: 22" (Small)  23" (Regular)  25.5" (Long);  Width: 29" (Small)  31.5" (Regular)  33" (Long);  Girth, Foot Box: 44" (Small)  46" (Regular)  51" (Long);  Girth, Hips: 58" (Small)  61" (Regular)  64" 9Long);  Girth, Shoulders: 58" (Small)  63" (Regular)  66" (Long);  EN Rating: 31 F (Comfort)  20 F (Limit)  -11 F (Extreme);  Liner Fabric: 20D Polyester Taffeta, Printed;  Shell Fabric: 20D RipStop Polyester w/DWR;  Fill: 650 Fill Nikwax Hydrophobic Down, RDS, ThermACapture Seams;  Fill Weight: 1 lbs-0.6 oz (Small)  1 lbs-3 oz (Regular)  1lbs-5.5 oz (Long);  Zipper Side: Left

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