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#1 on this list
Snow Mantra Parka
Canada Goose
The oil-field standard rated to −70°F. Nothing on this list is warmer standing still.
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- How we assessed it
- Specification researched

#2 on this list
Khumbu Parka
Feathered Friends
900+ fill and a hood that fits over a helmet. Seattle-built for 8,000-meter cold.
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Specs side by side
| Spec | Snow Mantra Parka | Khumbu Parka |
|---|---|---|
| Temperature Rating | -25°F / -35°C and below (TEI 5) | — |
| Insulation | 675 Fill Power White Duck Down | — |
| Outer Shell | Arctic Tech® (Water-Resistant) | — |
| Weight (Size L) | Approximately 9 lbs | — |
| Hood | Adjustable, Down-Filled, Removable Fur Ruff | — |
| Fit | Relaxed, Expedition | — |
| Maker | — | Feathered Friends |
| Fill Power | — | 900+ Fill Goose Down |
| Shell Fabric | — | Pertex Shield EX |
| Origin | — | Seattle, USA |
| Intended Use | — | Extreme cold, high altitude, expedition |
What our reviewers liked and didn't
Snow Mantra Parka
- Unmatched warmth for extreme cold conditions
- Exceptional durability and bombproof construction
- Comprehensive feature set for arctic environments
- Field-proven reliability in life-threatening cold
- Excellent wind and water resistance
- Very heavy and bulky, limiting mobility
- High price point, a significant investment
- Overkill for anything but truly extreme cold
- Not easily packable for casual trips
Khumbu Parka
- Unmatched warmth-to-weight ratio for extreme cold
- Exceptional build quality and durable materials
- Helmet-compatible hood with excellent adjustability
- Generous fit for layering without restricting movement
- Proudly made in Seattle, USA
- High price point makes it a significant investment
- Overkill for milder winter conditions
- Requires careful storage and cleaning for longevity
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