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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.


  • 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
  • Silicone DWR-Treated 20D Nylon Shell
  • Stuffsack and storage sack included


  • Weight: 3 lbs 15 oz (1.80 kg)
  • Temperature: 11° F / -12° C
  • EN Rating – Comfort: 23°F / -5°C
  • EN Rating – Lower Limit: 11°F / -12°C
  • Fill Weight: 3 lbs 0 oz (1.35 kg)
  • Shoulder Girth: 62" (158 cm)
  • Hip Girth: 58" (147 cm)
  • Foot Girth: 40" (102 cm)
  • Stuff Sack: 9" D x 18" L (23 x 46 cm)