The Therm-a-Rest Hyperion 32 down sleeping bag is expertly crafted for backcountry enthusiasts, boasting 900-fill-power Nikwax Hydrophobic Down™ that resists moisture while maintaining superior loft. Its lightweight design packs down small, and the box baffled construction minimizes cold spots for maximum thermal efficiency. With SynergyLink™ Connectors for compatibility with a mattress and zoned insulation for optimal warmth distribution, this sleeping bag balances performance and comfort for any adventure.
From the brand: Designed for backcountry pursuits, the Therm-a-Rest Hyperion 32 down sleeping bag helps keep your pack featherweight without sacrificing an ounce of performance.
900-fill-power Nikwax Hydrophobic Down™ resists moisture and maintains loft up to 60 times longer than untreated down
Lightweight materials and precise design allow for a small packed size
Thermally efficient box baffled construction uses mesh walls to maximize loft and minimize cold spots in key areas
Ergonomic shape and long zipper provide a human-friendly fit
SynergyLink™ Connectors integrate the bag with a mattress (not included) for optimal efficiency and comfort; removable for versatility
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
Shell fabric has been treated with a durable water repellent (DWR) to resist moisture
