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