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Therm-a-Rest Hyperion 32 UL Sleeping Bag - Mountain Steals
Therm-a-Rest Hyperion 32 UL Sleeping Bag
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Thermarest
Therm-a-Rest Hyperion 32 UL Sleeping Bag

Therm-a-Rest Hyperion 32 UL Sleeping Bag is rated 4.3 out of 5 by 20.
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4.3 Star Rating
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The Therm-a-Rest Hyperion 32 UL Sleeping Bag is a summer sleeping bag for ultralight backpacking. Snuggle up with 900 fill Nikwax Hydrophobic Down™ wrapped around you for warmth. The treated down resists moisture and dries faster, just in case the weather is wet or there is trouble at a creek crossing. Featuring SynergyLink™ Connectors for mattress integration, so you won't go rolling off in the night.

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Product Description
Item No.   10402461
 

FEATURES of the Therm-a-Rest Hyperion 32 UL Sleeping Bag

  • Ultralight design and construction gives the regular size a weight of 16 ounces
  • 900 fill Nikwax Hydrophobic Down™ stays dry and retains loft up to 60 times longer than untreated down
  • Down also absorbs 90% less water and dries three times faster without using dangerous PFCs
  • Lightweight materials and precise design allow for a smaller packed size than ever before for incredible packability
  • Box baffled construction uses mesh walls to maximize loft and minimize cold spots
  • SynergyLink™ connectors integrate the bag with a mattress for optimal efficiency and comfort, and are also removable for versatility
  • ThermaCapture™ lining to trap radiant body heat and retain warmth without adding bulk or weight
  • Zoned insulation maximizes warmth and saves weight by intentionally placing fill where you need it most
  • Also features a heat-trapping draft collar, zipper draft tube, snag-free zipper, and cinchable hood
  • Offers an extreme temperature rating of 32°F / 0°C
  • A compression sack and storage sack are included

Fabric Details

  • Shell: 10D Nylon RipStop with DWR
  • Lining: 10D Nylon RipStop ThermaCapture™
  • Fill: 900 Fill Goose Nikwax Hydrophobic Down™

Product Specifications
Features: Draft Collar, Ultralight
Shell Fabric: 10D Nylon RipStop w/ DWR
Bag Weight (Short): 15 oz
Bag Weight (Regular): 16 oz
Bag Weight (Long): 18oz
Extreme Temperature Rating: 5 Degrees Fahrenheit
Sleeping Bag Lining: 10D Ripstop Nylon
Shoulder Circumference (Short): 55 in.
Max User Height (Long): 6 ft 6 in.
Hip Circumference (Short): 49.5 in.
Foot Circumference (Short): 40 in.
Foot Circumference (Regular): 43 in.
Foot Circumference (Long): 46 in.
Shoulder Circumference (Regular): 57 in.
Hip Circumference (Regular): 49.5 in.
Shoulder Circumference (Long): 58 in.
Hip Circumference (Long): 51 in.
Ultralight: Yes
Disclaimer: We only ship this brand to US Addresses.
Gender: Mens
Best Use: Ultralight Backpacking, Backpacking
Insulation: Down
Temperature Rating: 31 - 40 Degrees Fahrenheit
Exact Temperature Rating: 32 Degrees Fahrenheit
Sleeping Bag Shape: Mummy
Max User Height (Regular): 6 ft
Fill Details: 900 Fill Power Goose Down
Product Reviews
Rated 5 out of 5 by from Bag turned me into an ultralight believer I used to think that going ultralight was cutting some comfort, warmth, or was too costly. This bag is fairly priced especially considering all of the benefits I got during a week long through hike in Canada. It helped cut my sleeping bag weight down by over 2 lbs packs INSANELY SMALL and I also found myself toasty warm (typically always cold) with space to sleep on my side. This helped keep my pack light on my back while simultaneously able to get a good night sleep so I wasn't a grouch to my partners the next day and could enjoy the amazing scenery well-rested and wide-eyed.
Date published: 2018-10-24
Rated 5 out of 5 by from Ultra Light, Ultra Compact, Ultra Cozy I used this sleeping bag on a week-long (46.6mi) coastal camping trip in British Columbia and I couldn't have been happier with its performance! My old sleeping bag was purchased back in 2010, so the difference was like night and day in regards to the size that it packed down to as well as its overall weight. The packed down size was much smaller than what I was used to and I was extremely impressed with how compact this bag truly is! Its overall weight was considerably less than what I was accustomed to (weighing in at only 1-pound!) as well and it was extremely cozy and warm when it came time to crash for the day, even on the coldest/wettest of nights along the coast. The SynergyLink™ Connectors were just icing on the cake, I've never had a bag with anything like these before and each morning that I woke up I was still firmly attached to my sleeping pad.
Date published: 2018-11-02
Rated 3 out of 5 by from COLD at 45F I love the size and weight of this sleeping bag. However, it fails at its primary job, keeping me warm at night. Even a 45F night in August and my shoulder gets cold if I sleep on my side. The bag simply does not have enough insulation. As small, lean person I do tend to sleep cold, but my 20F bag from another company easily keeps me toasty down to 20F. The Hyperion 32F isn't even warm to its stated comfort range of 41F. Minor drawbacks that I would put up with for the weight and size are the 2/3rds length zipper and the face cinch system.
Date published: 2020-08-17
Rated 5 out of 5 by from Ultralight, Portable, and Warm Pros: The lightest, most packable bag I've ever used without sacrificing warmth or comfort. Cons: The small straps that hold the pad can be difficult to assemble and sometimes come loose, but that's a small price to pay for the ultralight portability.
Date published: 2018-11-02
Rated 5 out of 5 by from Really capable I have only tried a handful of sleeping bags as i'm pretty much a rookie hiker. However i am absolutely amazed by how this bag performs. I can compress it to the size of a football! thisi is reallt usefull to me when i go bike packing, when pack size is important. I always use a small liner, but i have never had any chills in this bag. even at around 0 degrees celcius. some people mention it is is chilly, but it seems most of those people are using the uber lite, or some similar sleeping mat. end of the day im super impressed with its weight to warmth ratio and it has yet to let me down!
Date published: 2022-06-29
Rated 5 out of 5 by from Bag turned me into an ultralight believer I used to think that going ultralight was cutting some comfort, warmth, or was too costly. This bag is fairly priced especially considering all of the benefits I got during a week long through hike in Canada. It helped cut my sleeping bag weight down by over 2 lbs packs INSANELY SMALL and I also found myself toasty warm (typically always cold) with space to sleep on my side. This helped keep my pack light on my back while simultaneously able to get a good night sleep so I wasn't a grouch to my partners the next day and could enjoy the amazing scenery well-rested and wide-eyed.
Date published: 2018-10-24
Rated 4 out of 5 by from Great bag, bad straps Love this sleeping bag. It packs very small, is very light, very comfy, and just roomy enough. The shape is very good. I have fairly wide shoulders and was afraid I would feel cramped, but there is just enough room for me to switch sides in the night and not get all bound up. On a cold, sub 40° night at high altitude, I did get pretty cold. I typically sleep pretty warm, but I've also gotten used to my x-therm mattress. The Hyperion paired with the UberLite mattress is a small, lightweight sleeping system that shouldn't be used at temps below 40°. But anything above that is spectacular. My only complaint about this bag is the SynergyLink Connectors. They are a joke. The little connector system needs to be actual clips, not a T into loop style. My first trip, I lost one of the straps high in the mountains. I am very good at keeping track of all the bits and pieces of my gear, yet somehow a strap went missing. So much for Leave No Trace. When I get another strap to replace the missing one, I will be modifying them both to have small clips instead of the slip through design.
Date published: 2019-09-05
Rated 3 out of 5 by from COLD at 45F I love the size and weight of this sleeping bag. However, it fails at its primary job, keeping me warm at night. Even a 45F night in August and my shoulder gets cold if I sleep on my side. The bag simply does not have enough insulation. As small, lean person I do tend to sleep cold, but my 20F bag from another company easily keeps me toasty down to 20F. The Hyperion 32F isn't even warm to its stated comfort range of 41F. Minor drawbacks that I would put up with for the weight and size are the 2/3rds length zipper and the face cinch system.
Date published: 2020-08-17
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