Thermarest Hyperion 20 UL Down Sleeping Bag
£99.25
Jump to: Our Verdict / Features / Specifications
UOG TOP PICK – Thermarest Hyperion 45, 32, 20 Sleeping Bags – these three bags cover from +7C to -6C and use 900+ Fill Power down, there are some effective features that make these bags stand out from the crowd.
Ultralight and packable mummy sleeping bag for three-season camping and backpacking. One of the lightest bags available, the 900-fill, water-resistant Nikwax Down sleeping bag keeps you warm and comfortable.
Thermarest says
Weighing a mere 1 lb. 4 oz., the Hyperion defies the cold and provides better rest while moving through the mountains.
Built to provide a featherlight pack weight and high-performance warmth, the Hyperion 20F/-6C sleeping bag is among the lightest in its class without sacrificing an ounce of performance. The bag uses thermally-efficient box baffled construction in key areas to ensure warmth and comfort in an ultralight package. Designed with high-quality materials and Therm-a-Rest performance features like SynergyLink™ Connectors, the Hyperion keeps your pack light, giving you the freedom to move quickly in the backcountry. Storage sack and compression stuff sack included.
Our Verdict
The Therm-a-Rest’s Hyperion 20 Sleeping Bag is our lightest bag with a comfort limit of -6C. This outstanding warmth to weight ratio is achieved by using the highest quality responsibly sourced down expertly zoned in a box wall construction. The bag is lined with ThermaCapture to trap body heat keeping you nice and toasty.
The bag only has a half length zip which saves weight and increases warmth but reduces venting ability. The bag comes with tiny (potentially flimsy) straps to attach the bag to a sleeping mat to reduce the chance of you wriggling off your mat in the night. These can be removed if you want to save a few grams. As you would expect with such a lightweight bag the pack size is very small.
– Reviewed by Ultralight Outdoor Gear
- Trek Scotland Review – Hyperion 20 UL Down Sleeping Bag
Features
- Ultralight: One of the lightest pieces in its class, the Hyperion sets a new standard for high-performance outdoor equipment
- 900-fill Nikwax Hydrophobic Down™: Stays drier and maintains loft 60 times longer than untreated down
- Unrivaled Packability: Lightweight materials and precise design allow for a smaller packed size than ever before
- Box Baffled Construction: Uses mesh walls to maximize loft and minimize cold spots in key areas
- Comfort Fit: Ergonomic shape and longer zipper provide a more human-friendly fit than other ultralight bags
- SynergyLink™ Connectors: Integrate the bag with a mattress for optimal efficiency and comfort; removable for versatility
- ThermaCapture™ Lining: Bag is lined 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, 70% on the top and sides with 30% on the back
- Responsible Down Standard Certified: Certification that ensures that the waterfowl in the down supply chain are treated humanely
Specifications
Regular
- Fits: 183cm (6ft)
- Girth: 145cm at shoulder, 126cm at hip, 109cm at foot
- Fabric: 10D Nylon Ripstop w/DWR 10D Nylon Ripstop Therma-Capture Lining
- Fill: 900 fill GooseNikwax Hydrophobic Down, RDS
- Fill weight: 345g
- Stuffed size: 15 x 20cm (6 x 8in)
- Comfort rating: 0°C
- Comfort Limit: -6°C
- Extreme rating: -23°C
- Weighs: 594g (excludes storage & stuff sack)
Long
- Fits: 198cm (6ft 6in)
- Girth: 147cm at shoulder, 130cm at hip, 117cm at foot
- Fabric: 10D Nylon Ripstop w/DWR 10D Nylon Ripstop Therma-Capture Lining
- Fill: 900 fill GooseNikwax Hydrophobic Down, RDS
- Fill weight: 375g
- Stuffed size: 15 x 20cm (6 x 8in)
- Comfort rating: 0°C
- Comfort Limit: -6°C
- Extreme rating: -23°C
- Weighs: 640g (excludes storage & stuff sack)
Help and advice:
- The Ultimate Guide to Lightweight Sleeping Bags
- Time-Saver Guide to Choosing a Sleeping Bag
- About Thermarest
- Thermarest Sleeping Bags Explained
- The EN13537 Standard
- All About Down
- Responsible Down Standard
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