

Built to provide a featherlight pack weight and high-performance warmth, the Hyperion 20F/-6C 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, the Hyperion keeps your pack light, giving you the freedom to move quickly in the backcountry.
- Ultralight: One of the lightest pieces in its class, the Hyperion sets a new standard for high-performance outdoor equipment.
- 900-fill : 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.
- : 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.
- : Removeable ultralight straps create a secure bag-to-sleeping pad connection that optimizes the comfort and thermal efficiency of your entire sleep system. SynergyLink Connectors function best with regular sized sleeping pads that are 3 inches thick or less when inflated.
- : 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.
- : Certification that ensures that the waterfowl in the down supply chain are treated humanely.
Storage sack and compression stuff sack included.
| Weight | 540g (Small) 570g (Regular) 620g (Long) |
| Ideal for |
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| Temperature | -6°C |
| Shape | Mummy (Small) Mummy (Regular) Mummy (Long) |
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0°C |
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-6°C |
| Insulation |
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330g (Small) 360g (Regular) 400g (Long) |
| Technology |
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| Construction |
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| Face fabric |
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| Lining/backer |
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| Recommended Compression Sack | 8L |
| Packed size | 15x20 cmcm |
| Shoulder girth | 140cm (Small) 145cm (Regular) 147cm (Long) |
| Hip girth | 126cm (Small) 126cm (Regular) 130cm (Long) |
| Foot girth | 102cm (Small) 109cm (Regular) 117cm (Long) |
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No |
| Additional feature(s) |
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| Length |
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1-person |
| Product sustainability |
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| Made in | China |