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Thermarest Parsec -6C Sleeping Bag

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Push further and move faster with the all-new Thermarest Parsec -6c Sleeping Bag, bred for alpine starts and ultralight bivys.

Just like an alpinist precisely selects his rack or a skier carefully chooses her line, Thermarest took the time to dial in the small details that create comfort and security in the mountains.

After you break camp, the mummy-style bag uses a compression sack to easily fit into your pack without weighing you down. Designed with high-quality materials and Therm-a-Rest performance features like Synergylink Connectors.

The Parsec easily handles three-season bivys and long pushes into the backcountry. Bottom line, those that need their sleeping bag to go further choose the Parsec.

  • 800 Fill Nikwax Hydrophobic Down: Lightweight fill stays dry and retains loft up to 60 times longer than untreated down. Absorbs 90% less water and dries 3 times faster without using dangerous PFCs.
  • ThermaCapture Lining: Top of bag is lined to trap radiant body heat and retain warmth without adding bulk or weight.
  • SynergyLink Connectors: Integrates the bag and mattress for optimal comfort and efficiency; removable for versatility.
  • Zoned Insulation: Maximises warmth and saves weight.
  • Quilt and Blanket Loops: Customise your sleep system by layering our quilts or tech blankets for increased warmth.
  • Toe-asis Foot Warmer Pocket: Ergonomic toe box rapidly warms cold feet.
  • Additional Features: Heat-trapping draft collar, differential cut, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket.
  • Storage sack and compression stuff sack included.
  • Comfort range: 0°C
  • Transition range: -6°C
  • Risk range: -24°C
  • Liner fabric: 20D Polyester Taffeta w/ ThermaCapture coating
  • Shell fabric: 20D RipStop Polyester
  • Fill: 800 Fill Goose Nikwax Hydrophobic Down RDS w/ ThermaCapture Lining
  • Zipper side: Left


  • Length: 168cm
  • Weight: 800 g
  • Packed dimensions: 53x36cm
  • Girth, Shoulder: 145 cm
  • Girth, Hip: 142 cm
  • Girth, Foot box: 112 cm
  • Fill weight: 455 g


  • Length: 183cm
  • Weight: 890 g
  • Packed dimensions: 53x36cm
  • Girth, Shoulder: 157 cm
  • Girth, Hip: 145 cm
  • Girth, Foot box: 117 cm
  • Fill weight: 500 g


  • Length: 198cm
  • Weight: 980 g
  • Packed dimensions: 53x36cm
  • Girth, Shoulder: 165 cm
  • Girth, Hip: 147 cm
  • Girth, Foot box: 130 cm
  • Fill weight: 545 g