SKU: TSQ09501

Thermarest Questar -6C HD Down Sleeping Bag

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Availability: Ships direct from supplier.
Delivery: 3-7 working days.

The Questar sleeping bag delivers 3-season warmth with 650-fill Nikwax Hydrophobic Down that is zoned to provide extra insulation where you need it most - on top of you in order to trap rising heat.

You will find less fill on the bottom of the bag, where your camping pad already insulates you, and the value of lofted insulation is already minimized by compression. Removable straps keep the sleeping bag properly oriented on your camping pad to maximize warmth and save weight.

As your feet are usually the first to get cold and the hardest to warm up, Therm-a-Rest adds the Toe-asis foot warmer - a baffled pocket of insulation in the footbox that helps rapidly warm cold feet. Just slide your feet in and let the Toe-asis do the work. Leave them out and youll still benefit from an extra layer of insulation in the foot of your sleeping bag.

A thin strip of reflective tape behind every baffle seam reduces radiant and convective heat loss, ultimately keeping you warmer at night.

The snag-free zipper hides an oversized draft tube so no air gets in or out. A small zippered pocket on the outside of the bag is the best place to store your headlamp or phone for easy access in the middle of the night. 

  • 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
  • Packed dimension: 23 x 36cm
  • EN Comfort: 0°C
  • EN Limit: -6°C
  • EN Extreme: -24°C
  • Fill: 650 Fill Nikwax Hydrophobic Down, RDS, Thermacapture Seams
  • Liner fabric: 20D Polyester Taffeta, Printed
  • Shell fabric: 20D RipStop Polyester w/DWR
  • Zipper side: Left


  • Weight: 0.921 kg
  • Length: 185 cm
  • Girth, Shoulder: 147 cm
  • Girth, Hip: 147 cm
  • Girth, Foot box: 112 cm
  • Fill weight: 470 g


  • Weight: 1.038 kg
  • Length: 201 cm
  • Girth, Shoulder: 160 cm
  • Girth, Hip: 156 cm
  • Girth, Foot box: 117 cm
  • Fill weight: 540 g


  • Length: 216 cm
  • Girth, Shoulder: 168 cm
  • Girth, Hip: 163 cm
  • Girth, Foot box: 130 cm
  • Fill weight: 610 g