Gear
Mountain Equipment Redline
High-altitude and polar expeditions
Expert reviewed
Topic summary
High-altitude and polar expeditions
Key takeaways
- 800+ fill-power down
- expedition shell
- highly protected baffle system
- Purpose-built for severe expedition use, with exceptional loft, draft management and weather protection.
Verification notes
Evidence: expert reviewed. Last verified July 16, 2026.
Editorial take
Mountain Equipment Redline is a cold-weather sleeping bag with an advertised -49°F rating and 800+ fill-power down; expedition shell; highly protected baffle system. It is best suited to high-altitude and polar expeditions.
Not ideal for
- Very expensive and specialized
- not a practical general-camping bag.
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Verified specifications
- Key features
- 800+ fill-power down
- expedition shell
- highly protected baffle system
Warranty and repair information: contact Mountain Equipment directly for the most current terms.
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Data sources & verification
- Last verified: 7/16/2026