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Item #: 331774646

Updated for 2015: Synthetic Sleeping Bag With Four-Season Warmth. The synthetic Centari sleeping bag turns the frigid nights of winter into something cozy, with the ability to perform reliably across a wide range of environments. Water-resistant eraLoft synthetic insulation is light, compressible and provides a high degree of warmth in even the dampest conditions commonly found in winter camping. The unique shape of all Therm-a-Rest sleeping bags offers ample room to turn and roll over comfortably without losing heat, and works with the efficiency of our SynergyLink™ System to keep you warm and on your mattress all night long.

NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • Zoned Insulation (Shingled eraLoft™ w/ sewn-through insulated bottom)
  • SynergyLink™ Connectors integrate your mattress for optimal comfort and efficiency
  • Heat trapping draft collar and full-length zipper draft tube
  • Differential cut maximizes loft
  • Snag-free zipper
  • Cinchable hood
  • External zip pocket
  • Slicone DWR-Treated 20D Nylon Shell
  • Stuffsack and storage sack included


  • Weight 3 lbs 15 oz. / 1.8 k
  • Fits 6 ft. / 183 cm
  • EN Comfort -5 C / 23 F
  • EN Limit 11 F / -12 C
  • EN Extreme -24 F / -31 C

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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