Ultralight Winter Down Sleeping Bag

Imagine waking up to a frost-covered tent in the high backcountry while you’re still wrapped in a pocket of pure, dry warmth. This bag turns brutal winter nights into a recovery session, ensuring you’re actually rested when it’s time to push for the summit at dawn.

Why You'll Love It

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• Extreme Thermal Efficiency: Stay warm when the mercury bottoms out thanks to 800+ fill power duck down that provides a massive warmth-to-weight ratio.
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• Moisture Resistance: The DWR-treated down and water-resistant 20D ripstop nylon shell keep you dry and protected from tent condensation and damp alpine air.
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• Ultralight Performance: At just 1.43kg, this bag delivers expedition-grade insulation without the back-breaking bulk of traditional winter gear.
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• Ethical Warmth: Rest easy knowing the high-loft insulation is RDS-sourced, meeting strict animal welfare standards for your peace of mind.
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• Room to Breathe: The lengthened mummy design provides extra space for taller hikers while maintaining a tapered shape to eliminate cold spots.
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Specs

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• Temperature Rating: -25°C to -30°C (-13°F to -22°F)
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• Insulation: 890g of 800+ FP DWR-treated Duck Down (90% down)
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• Shell Material: 20D Ripstop Nylon with DWR coating
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• Lining: 20D Ripstop Nylon
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• Total Weight: 1.43kg (approx. 3.15 lbs)
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• Dimensions: 205cm x 85cm
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Stop dreading the cold and start owning the season with a bag built to handle the harshest Wyoming winters.