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Winter Down Bag | Lower Comfort Rating: -15°C

Zenith

Zenith

$949.99
$949.99
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The Domex Zenith is the ultimate all-weather sleeping bag for serious adventurers who demand warmth and performance in the harshest alpine conditions. With a Domex limit of -15°C, it’s purpose-built for mountaineering, winter camping, alpine hunting, and year-round use by cold sleepers who refuse to compromise on comfort.

Engineered with premium 650+ loft hydrophobic duck down, the Zenith delivers outstanding thermal efficiency while retaining loft and insulation, even in damp conditions. Available in Standard and XT sizes to suit a wide range of body types, it combines technical innovation with practical comfort for dependable sleep when the mercury drops.

The contoured mummy shape and spacious box foot are designed to maximise heat retention without sacrificing room to move. Smart vertical baffles across the torso and horizontal baffles through the legs ensure down fill stays evenly distributed, eliminating cold spots. A form-fitting 3D hood, insulated draught collar, and adjustable drawcord system lock in warmth around the head and shoulders, while the YKK ¾-length zip with dual sliders balances quick access with ventilation control on milder nights.

Built tough with 20D/400Thd Ciré Ripstop fabric, the Zenith is highly durable, downproof, and water-resistant — a reliable companion for rugged backcountry use. It comes with a compression stuff sack for efficient packability, plus a large mesh storage sack to maintain down loft between adventures. Backed by a 5-year warranty, the Domex Zenith is the definitive 4-season sleeping bag for Australia’s alpine landscapes and extreme cold-weather expeditions.

  • Body-contoured mummy shape to maximise thermal efficiency while providing generous foot room for comfortable sleep positioning
  • 650+ loft hydrophobic duck down maintains insulation performance even when exposed to moisture, ensuring consistent warmth in damp alpine conditions
  • 20D/400Thd Ciré Ripstop outer fabric delivers exceptional durability with a downproof, water-resistant finish that withstands rugged outdoor use
  • Form-fitting 3D hood contours perfectly to head shape, creating an effective thermal barrier to lock in precious body heat
  • Vertical torso baffles and horizontal leg baffles prevent down migration and cold spots while allowing natural movement during sleep
  • Insulated draught collar with drawcord creates a sealed thermal zone around the shoulders, preventing warm air from escaping through the bag opening
  • YKK ¾ length zip with double sliders provides reliable operation and versatile ventilation control while minimising heat loss through the zip line
  • Box foot construction eliminates compression of insulation around the feet, maintaining warmth where circulation is naturally reduced
  • A compression stuff sac enables rapid packing and reduces bulk for efficient gear transport on extended expeditions
  • The mesh storage bag allows proper air circulation during storage, preserving down loft and extending the bag's operational lifespan
  • 5-year warranty 

Domex limit: -15°C
EN Ratings: -7.3°C / -14.4°C / -35.2°C (Comfort / Limit / Extreme)*
Seasons: 4 (spring, summer, autumn, winter)
Outer fabric: 20D/400Thd Ciré Ripstop
Inner fabric: 20D/400T nylon
Fill type: 90/10 Hydrophobic Duck Down/Feather
Fill power: 650 loft

Construction: Body-contoured mummy with vertical torso baffles and horizontal leg baffles
Zip: Right-hand YKK ¾ length with double sliders

Standard
Fill weight: 900 g

Dimensions: 210 cm (length) x 75 cm (width at shoulder) / 45 cm (width at foot)
Weight (without cram sac): 1.4 kg
Cram sac dimensions: Ø23 x 37 cm**

XT
Fill weight: 950 g 

Dimensions: 220 cm (length) x 82 cm (width at shoulder) / 45 cm (width at foot)

Weight (without cram sac): 1.5 kg
Cram sac dimensions: Ø25 x 41 cm**

*Tested to EN ISO 23537-1:2002 (Comfort / Limit / Extreme)

**Measured with no tension on straps and hand resting on top. Packed size may reduce further when compressed

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