Therm-a-Rest®: Altair 0 Down Bag

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Our Price: $509.95

LG/LZ     IMS#: 605768
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Ski touring and mountaineering demand a down sleeping bag that is comfortable in the coldest months of the year. The Altair sleeping bag is designed to provide efficient warmth down to 0F (-18C), while offering light, packable performance that makes each day in the mountains more enjoyable. Like all Therm-a-Rest sleeping bags, it integrates with your mattress to eliminate the sliding, twisting and cold spots that can interrupt sleep.


  • Storage & Stuff sack included
  • Trapezoidal footbox
  • Sculptured hood
  • Stash pocket
  • Snag free zipper
  • Draft tubes & collar
  • Sleep Securely: SynergyLink Connectors bring your sleeping bag and mattress together for uninterrupted sleep.
  • Sleep Warmer: Zoned Insulation puts fill where you need it most, for efficient warmth.
  • Move Freely: Our Efficient Comfort design gives you room to move where you need it, without creating too much space to heat efficiently.
  • Carry Less: Lightweight, 750+ fill goose down offers compressible warmth.


Weight:Regular: 2 lbs 7 oz
Large: 2 lbs 10 oz
EN Rating:Lower Limit: 14° F / -10° C
Comfort: 26° F / -3° C
Fill:Down 750+
Color:Infinity Blue
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