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Therm-A-Rest Altair Down Sleeping Bag

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Item No.   10238284

FEATURES of the Therm-A-Rest Altair Down Sleeping Bag

  • Ideal ski touring and mountaineering down sleeping bag
  • Designed to provide efficient warmth and comfort down to 0° F (-18° C) during the coldest months of the year
  • Integrates with Therm-A-Rest mattresses to eliminate the sliding, twisting and cold spots that can interrupt sleep
  • SynergyLink Connectors bring your sleeping bag and mattress together for uninterrupted sleep
  • Zoned Insulation puts fill where you need it most, for more efficient warmth
  • Efficient Comfort design gives you room to move where you need it, without creating too much space to heat efficiently
  • Lightweight, 750+ fill goose down offers compressible warmth so you can pack more
  • Draft tubes and collar
  • Snag free zipper
  • Stash pocket
  • Sculptured hood
  • Trapezoidal footbox
  • Storage and stuff sack

SPECIFICATIONS of the Therm-A-Rest Altair Down Sleeping Bag

  • EN Comfort Temperature Rating: -5° C / 24° F
  • EN Limit Temperature Rating: -11° C / 12° F
  • EN Extreme Temperature Rating: -31° C / -23° F
  • 750+ Goose Down
  • Liner Fabric: 30D Nylon
  • Shell Fabric: 30D Nylon Ripstop with DWR
  • Zipper Side: Left
The SPECS for Regular
  • Weight: 2 lbs 7 oz / 1120 g
  • Fill Weight: 1 lb 4 oz / 580 g
  • Fits: 6 feet / 183 cm
  • Shoulder Girth: 62" / 158 cm
  • Hip Girth: 58" / 147 cm
  • Footbox Girth: 40" / 102 cm
  • Width: 30" / 76 cm
  • Length: 75" / 190 cm
  • Packed Dimension: 8 x 18" / 15 Liter
The SPECS for Long
  • Weight: 2 lbs 10 oz / 1200 g
  • Fill Weight: 1 lb 7 oz / 640 g
  • Fits: 6 feet 6" / 198 cm
  • Shoulder Girth: 64" / 163 cm
  • Hip Girth: 60" / 152 cm
  • Footbox Girth: 40" / 102 cm
  • Width: 30" / 76 cm
  • Length: 84" / 213 cm
  • Packed Dimension: 8 x 18" / 15 Liters

Therm-A-Rest Temperature Ratings Info



Therm-A-Rest sleeping bags are rated to both US and European Norm (EN 13537) standards. All ratings are developed from procedures and testing conducted by independent organizations in the US and Europe. Sleeping bags and blankets without hoods are not subjected to EN testing

EN Comfort: At this temperature, a standard woman can sleep comfortably in a relaxed position
EN Limit: The lowest temperature at which a standard man will be able to sleep comfortably through the night. This rating is relatively close to those commonly used in North America
EN Extreme: At this temperature, a standard woman can survive for at least six hours



$489.95 - $509.95

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