Thermarest Hyperion 20 Degree 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.
• 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.
• Weight: Standard – 1lb 4oz, Long – 1lb 6oz
• WxLxH: Standard – 28.5″x80″x4.5″, Long – 29″x85″x4.5″
• Fits: Standard – 72″, Long – 78″