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Ohm Sleeping Bag: 32F Down

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Don't worry though, we have a lot more 30 to 55 Degree Down Sleeping Bags in stock than that.

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Ohm Sleeping Bag

The hood-less version of its sibling bag, the Hyperion, the Therm-a-Rest Ohm Sleeping Bag also makes its debut in 2019 as an ultralight backpacking option for those headed out on the trail during the shoulder seasons under uncertain weather. While this version doesn't have a hood, it does offer a roomy fit that has the ability to convert into a two-person quilt, depending on your company, for an unencumbered night's rest.

It boasts impressively warm 900-fill down insulation to keep you warm when the nights flirt with freezing, and is treated with Nikwax in order to retain heat-trapping loft when you undoubtedly face moisture on your trip. Cinch the draft collar down on colder nights for snuggle-worthy comfort, which is bolstered by the ThermaCapture lining that retains precious body heat without adding bulk or weight. Beyond tipping the scale at just over a pound, the Ohm packs down to little more than the size of your favorite 1-liter water bottle for space-conscious trekkers.


  • Ultralight sleeping bag for colder shoulder season trips
  • Hydrophobic 900-fill down stays toasty warm on cold, wet nights
  • Packs down to a staggeringly compact size for easy packing
  • Semi-rectangular shape offers roomy fit and can convert to quilt
  • Zoned insulation places 70% of down fill where it's most useful
  • ThermaCapture lining helps trap and retain body heat
  • Insulation sourced from humanely treated waterfowl
  • Inclkuded stuff and storage sacks make for easy storage
  • Item #CAS00EM
[shell] 10D nylon ripstop, DWR, [lining] 10D nylon ripstop, ThermaCapture lining
900-fill goose NHD/RDS
left side
Max User Height
[regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[regular] 62in, [long] 66in
Hip Circumference
[regular] 56in, [long] 59in
Foot Circumference
[regular] 35in, [long] 38in
Bag Length
[regular] 73in, [long] 79in
Draft Tube
Pad Retainer
Fill Weight
[regular] 9oz, [long] 11oz
European Norm/ISO Comfort Rating
European Norm/ISO Lower Limit Rating
Storage Sack
Stuff Sack
Stuff Size
6 x 7in
Claimed Weight
[regular] 1lb 2.3oz, [long] 1lb 5.5oz
Manufacturer Warranty