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Search for the Antares supergiant star in the Antares sleeping bag.

It's surprising that Therm-a-Rest's Antares HD Sleeping Bag barely weighs over two pounds despite its innovative insulation, protective shell, and convenient features for ultralight backpackers and campers alike. Therm-a-Rest's Zoned Insulation pairs light-and-lofty 750+ down treated in Nikwax's hydrophobic coating with a sewn-through insulated bottom that maximizes thermal efficiency and minimizes weight.

Therm-a-Rest also equipped the Antares HD with a water-resistant shell to shed moisture, and the ThermaCapture lining that reflects your own body heat back to you for a boost of warmth. SynergyLink connectors slide your sleeping pad through so you never roll off again. The Antares HD also features a cinchable hood, draft-blocking tubes at the collar and full-length zipper, a zippered external pocket, and included stuff and storage sacks.

  • 27F European Norm Comfort temperature rating
  • Zoned Insulation with Nikwax Hydrophobic 750+ fill down
  • Sewn-through insulated bottom
  • DWR-treated shell
  • ThermaCapture reflective lining
  • SynergyLink connectors for sleeping pad
  • Cinchable hood
  • Heat-trapping draft collar and draft tube
  • Zippered external pocket
  • Stuff and storage sacks included

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Unanswered Question

I have had problems with the down fill shifting especially in down quilts. Does the down fill stay put in these bags or do you have to constantly shake it down?