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Compare Best Winter Sleeping Bags head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
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#8 on this list
Redline -20°C
Mountain Equipment
British down expedition bag with a hood that cinches to a coin-sized hole and stays put.
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- No reader votes yet
- How we assessed it
- Specification researched
#9 on this list
Defence 6
Carinthia
Austrian synthetic bag issued to alpine troops. The pick when your bag will get wet and stay wet.
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- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Redline -20°C | Defence 6 |
|---|---|---|
| Maker | Mountain Equipment | — |
| Model | Redline -20°C | — |
| Temperature Rating | -20°C (-4°F) | — |
| Insulation | 800+ Fill Power Goose Down | G-Loft Synthetic |
| Shell Fabric | DRILITE Loft II | Shelltex |
| Zip Position | Left Hand | — |
| Fill Type | — | Synthetic |
| Zip Type | — | Center Zip |
| Origin | — | Austria |
| Use Case | — | Extreme Cold, Wet Conditions |
What our reviewers liked and didn't
Redline -20°C
- Exceptional warmth for extreme cold, genuinely rated for -20°C
- Superb hood design effectively seals in warmth and stays cinched
- DRILITE Loft shell offers excellent water resistance and durability
- High-quality 800+ fill power down provides efficient insulation
- Robust construction built for expedition-level abuse and longevity
- Significant financial investment, priced for serious users
- Bulkier and heavier than less insulated winter bags
- Overkill for temperate winter camping or less extreme conditions
Defence 6
- Exceptional warmth retention when wet
- Extremely durable and robust construction
- Reliable performance in sub-zero, damp conditions
- Generous comfort ratings for extreme cold
- Central zip for easy entry/exit and ventilation
- Significantly heavier than comparable down bags
- Bulky pack size, even when compressed
- Less luxurious feel than high-end down bags
- Can be overkill for dry-cold conditions
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.