Małachowski 400 Super Ultralight M Down Sleeping Bag - White, Left Zip

The Małachowski 400 Super Ultralight M is a premium mummy down sleeping bag engineered for three-season adventures where every gram counts. Filled with 400 g of 850 CUIN Polish goose down and wrapped in a Pertex Quantum shell, it delivers an exceptional warmth-to-weight ratio for ultralight backpacking and mountaineering.

Advantages

Weighing just 690 g, this bag compresses to a mere 5.5 L, freeing up pack space without sacrificing comfort. The H-chamber construction eliminates cold spots, while the full-length left-side zipper with anti-snag guard ensures easy entry and ventilation. Certified by the Responsible Down Standard, the down is ethically sourced and traceable.

Suitable for

• Ultralight backpacking and thru-hiking
• Alpine trekking and fastpacking
• Three-season camping in temperatures down to -6°C
• Users up to 176 cm tall

Key specifications

• Comfort temperature: 0°C, Limit: -6°C, Extreme: -23°C
• Fill: 400 g of 850 CUIN Polish goose down (RDS certified)
• Shell and lining: Pertex Quantum (100% nylon)
• Shape: Mummy, H-chamber construction
• Dimensions: length 196 cm, shoulder width 78 cm, foot width 50 cm
• Packed volume: 5.5 L
• Zipper: Left side, full length
• Colour: White
• Country of manufacture: Poland

Recommendations

Pair this bag with a lightweight inflatable pad and a compact compression sack to maximize pack efficiency. For extended trips in damp conditions, consider a waterproof stuff sack to protect the down's loft.