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Therm-a-Rest
Hyperion Sleeping Bag: 20F Down

Out of Stock

Don't worry though, we have a lot more 5 to 29 Degree Down Sleeping Bags in stock than that.

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Why We Like The Therm-a-Rest Hyperion Sleeping Bag: 20F Down

The Therm-a-Rest Hyperion Sleeping Bag: 20F Down delivers the same cozy warmth we've experienced in our beds at home, except this thing is lightweight like a feather for our slumbers out in the mountains. The box-baffled construction ensures evenly dispersed insulation and no cold spots, while the hydrophobic down retains warmth regardless of light moisture.

Details

  • Lightweight and packable bag built to keep you on the move
  • 900-fill Nikwax Hydrophobic Down maintains loft when moist
  • Zoned insulation organizes down to minimize weight, maximize warmth
  • SynergyLink connectors hold your pad in place while you roll over
  • Item #CAS00EO
Material
10D nylon ripstop (DWR coating)
Insulation
900-fill Nikwax Hydrophobic Down
Shape
mummy
Max User Height
[small] 5ft 6in, [regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[small] 55in, [regular] 57in, [long] 58in
Hip Circumference
[small] 48.5in, [regular] 49.5in, [long] 51in
Foot Circumference
[small] 40in, [regular] 43in, [long] 46in
Bag Length
[small] 73in, [regular] 80in, [long] 85in
Draft Tube
yes
Pockets
none
Pad Retainer
SynergyLink Connectors (removable)
Fill Weight
[small] 11.5oz, [regular] 12.5oz, [long] 14oz
Degree
20F
European Norm/ISO Comfort Rating
32F
European Norm/ISO Lower Limit Rating
20F
Storage Sack
yes
Stuff Sack
yes
Stuff Size
6 x 8in
Claimed Weight
[small] 1lb 3oz [regular] 1lb 4oz [long] 1lb 6oz
Manufacturer Warranty
lifetime

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