SKU: TSQ13159

Thermarest Questar -18C Baslam Sleeping Bag

Availability: Ships direct from supplier.
Delivery: 4-7 working days.

Packed with features needed for very cold conditions, the Thermarest Questar -18C Baslam offers supreme comfort and versatility. 

Thermarest has loaded this bag with the comfort features that their sleeping bags are known for.

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

  • 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: Maximises warmth and saves weight by intentionally placing fill where you need it most.
  • Box Baffled Construction: Uses mesh walls to maximise loft and minimise 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: Customise 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
Regular Small Long
Fits (Standard) 72 in 66 in 78 in
Fits (Metric) 183 cm 168 cm 198 cm
Weight (Standard) 3 lbs 2 lbs 12 oz 3 lbs 3 oz
Weight (Metric) 1.36 kg 1.24 kg 1.45 kg
Fill material 650 Fill Nikwax Hydrophobic Down, RDS, ThermaCapture Seams 650 Fill Nikwax Hydrophobic Down, RDS, ThermaCapture Seams 650 Fill Nikwax Hydrophobic Down, RDS, ThermaCapture Seams
Width (Standard) 31.5 in 29 in 33 in
Width (Metric) 80 cm 74 cm 84 cm
Length (Standard) 79 in 73 in 85 in
Length (Metric) 201 cm 185 cm 216 cm
Girth, Shoulder (Standard) 63 in 58 in 66 in
Girth, Shoulder (Metric) 160 cm 147 cm 168 cm
Girth, Hip (Standard) 61 in 58 in 64 in
Girth, Hip (Metric) 156 cm 147 cm 163 cm
Girth, Foot box (Standard) 46 in 44 in 51 in
Girth, Foot box (Metric) 117 cm 112 cm 130 cm
Foot Width (Standard) 23 in 22 in 25.5 in
Foot Width (Metric) 58 cm 56 cm 65 cm
EN Comfort (F) 14 F 14 F 14 F
EN Comfort (C) -10 C -10 C -10 C
EN Limit (F) 0 F 0 F 0 F
EN Limit (C) -18 C -18 C -18 C
EN Extreme (F) -40 F -40 F -40 F
EN Extreme (C) -40 C -40 C -40 C
Fill weight (Standard) 1 lbs 13 oz 1 lbs 10 oz 1 lbs 15 oz
Fill weight (Metric) 0.82 kg 0.74 kg 0.88 kg
Shell fabric 20D Polyester Ripstop w/DWR 20D Polyester Ripstop w/DWR 20D Polyester Ripstop w/DWR
Liner fabric 20D Polyester Taffeta, Printed 20D Polyester Taffeta, Printed 20D Polyester Taffeta, Printed
Zipper side Left Left Left
Country of Origin China China China


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