Big Agnes Flume UL 30 Degree Sleeping Bag
Big AgnesItem# 024228


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These technical ultralight bags are designed for adventures where every ounce counts, each nook and cranny in your pack is accounted for, and you depend on the performance of your sleeping bag like you would a harness, helmet, or beacon.


  • Shape allows for light weight and increased thermal value
  • 3-D anti-snag draft tube prevents heat loss along the zipper
  • Contoured hood baffles cradle the head for a more comfortable fit
  • Oversized interior anti-draft collar
  • DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Minimal zipper cuts weight and reduces cold spots
  • Two-way zipper allows easy access at waist for climbing harness tie-in
  • Zipper Garage
  • Interior fabric loops for sleeping bag liners
  • Streamlined exterior loops for hang drying or storage
  • Mesh storage sack & nylon stuff sack

Construction + Materials:

  • Traditional mummy shape
  • Nylon rip-stop shell fabric with a water repellent finish
  • Nylon rip-stop lining
  • Insotect Flow™ construction
  • 850 fill DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.
  • Body mapped baffle construction optimizes thermal efficiency
  • Vertically structured sidewalls integrating contoured baffles trap heat closer to the body
  • Ergonomic foot box construction provides more loft and warmth
  • Ultralight high tenacity shell fabric
  • 40"/102cm YKK #5 zipper
Product Specifications
Size: Regular: Long:
Bag Weight: 1lb 6oz / 624g 1lb 8oz / 680g
Fill Weight: 12oz / 340g 14oz / 397g
Compressed Bag Size: 5.5in x 7in / 14 x 18cm 5.5in x 8in / 14 x 20cm
Stuff Sack Size: S 7.5in x 15in / S 19 x 38cm S 7.5in x 15in / S 19 x 38cm
Regular LeftBTMFULRL17 841487110888118093