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Therm-a-Rest Hyperion 20F/-6C Ultralight Down Mummy Sleeping Bag

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Product details

Management number 229334285 Release Date 2026/05/31 List Price US$400.02 Model Number 229334285
Category

Defy the cold and rest better while moving unencumbered through the mountains. Built to provide a feather-light pack weight and high-performance warmth, the Therm-a-Rest Hyperion 20-Degree Ultralight Down Mummy Sleeping Bag is incredibly lightweight without sacrificing an ounce of performance. The sleeping bag uses thermally-efficient box baffled construction and ThermaCapture Lining that traps radiant body heat while zoned insulation maximizes warmth by placing 70% fill on the top and sides with 30% on the back. The Hyperion is also Responsible Down Standard Certified ensuring that the waterfowl in the down supply chain are treated humanely. Designed with high-quality materials and Therm-a-Rest performance features like SynergyLink Connectors, the Hyperion keeps the pack light, providing freedom to move quickly in the backcountry. The Therm-a-Rest Hyperion 20-degree down sleeping bag is available in 3 sizes, all of which pack down to 6x8 inches: Small sleeping bag fits heights up to 5 feet 6 inches and weighs 19 ounces; Regular sleeping bag fits heights up to six feet and weighs 20 ounces; Long sleeping bag fits heights up to 6 feet 6 inches and weighs 22 ounces. Storage sack and compression stuff sack included. Limited lifetime warranty.

  • 100% Nylon Ripstop
  • Imported
  • Ultralight and packable 20-degree mummy sleeping bag provides better rest while moving through the mountains for three-season camping and backpacking
  • This featherlight sleeping bag weighs a mere 20 ounces; lightweight materials and precise design allow for an extremely small packed size
  • 900-fill Nikwax Hydrophobic Down stays drier and maintains loft 60 x longer than untreated down; box baffle maximizes loft and minimizes cold spots
  • Ergonomic shape and longer zipper provide a comfortable fit; SynergyLink Connectors integrate the bag with a mattress for efficiency and comfort
  • Regular size fits heights up to six feet, weighs 20 ounces and packs down to 6 x 8 inches; storage sack and compression stuff sack included
UPC 040818107232
ASIN B07LCZB6J3
Size Standard
Color Deep Pacific
Shape Mummy
Seasons 3 Seasons
Material Nylon
Occupancy 1 Person
Brand Name Therm-a-Rest
Sport Type Camping & Hiking, Mountaineering
Unit Count 1.0 Count
Fabric Type 100% Nylon Ripstop
Item Weight 1.25 Pounds
Closure Type Zipper
Manufacturer Cascade Designs Inc.
Model Number 040818107232
ShellMaterial Nylon
Item Type Name Ultralight Down Camping Sleeping Bag
Fill Material Type Down
Temperature Rating To 40 degrees
Additional Features Compressible, Ultralight, Water Resistant
Included Components Sleeping Bag, Storage Sack, Stuff Sack
Warranty Description Limited Lifetime
Age Range Description Adult
Item Dimensions L x W 96"L x 72"W
Manufacturer Part Number 040818107232
Maximum Height Recommendation 6 Feet
Global Trade Identification Number 00040818107232

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