Shell Fabric – 10D Nylon RipStop w/ DWR

Lining Fabric – 10D Nylon RipStop

900 Fill RDS (Responsible Down Standard) Nikwax Hydrophobic Down

Ultralight – One of the lightest pieces in its class, the Hyperion sets a new standard for high-performance outdoor equipment.

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.

Comfort Fit – Ergonomic shape and longer zipper provide a more human-friendly fit than other ultralight bags.

SynergyLink™ Connectors – Integrate the bag with a pad for optimal comfort and thermal efficiency; removable for versatility.

Zoned Insulation – Maximizes warmth and saves weight by intentionally placing down where you need it most.

Responsible Down Standard Certified – Certification that ensures that the waterfowl in the down supply chain are treated humanely.

Compression Sack and Storage Sack Included