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Big Agnes
Star Fire UL Sleeping Bag: 30F Down

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Star Fire UL Sleeping Bag

A little over a single pound, the Star Fire UL is officially the lightest, most compressible sleeping bag from Big Agnes. Perfected for long backpacking trips, the bag's 850-fill down insulation has the highest fill rating for lofty compression, and Big Agnes treated it with DownTek for hydrophobic properties that help the down retain its loft in moisture-riddled climates. The Pertex Quantum shell is also water-resistant, and highly windproof to block brisk breezes as you snooze. Oversized draft tubes and collars make sure you don't feel a breeze, and the single-handed hood adjustment helps you hunker down when the winds really howling.


  • The lightest, most compressible sleeping bag from Big Agnes
  • 850-fill DownTek treated to resist moisture and stay warm
  • Pertex Quantum shell is water-resistant and windproof
  • Minimal zipper with an oversized draft tube and collar
  • Single-handed hood adjustment is easy to use at night
  • Item #BAGZ289
Responsible Collection
Pertex Quantum (100% recycled nylon ripstop)
850-fill DownTek
Max User Height
[regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[regular] 60in, [long] 62in
Hip Circumference
[regular] 54in, [long] 56in
Foot Circumference
[regular] 36in, [long] 38in
Draft Tube
Fill Weight
[regular] 12oz, [long] 14oz
Storage Sack
Stuff Sack
Stuff Size
7.5 x 15in
Claimed Weight
[regular] 1lb 7oz, [long] 1lb 9oz