Mont Zero Ultralight 12°C to 6°C Down Sleeping Bag - Standard

★★★★★ 4.5 32 reviews

US$164.99
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Product details

Management number 236838479 Release Date 2026/07/09 List Price US$164.99 Model Number 236838479
Category

The world's lightest full-size down sleeping bag with 1000+ fill power RDS goose down. The Mont Zero Ultralight Sleeping Bag weighs only 300g and packs to the size of a 1L bottle.


OVERVIEW

Maximise your backpack space & minimise your carried weight with the Zero UL Sleeping Bag. Perfect for spring and summer bike packing, ultralight bush walking in warmer climates or as a liner for your existing sleeping bag.

The Mont Zero UL Sleeping Bag weighs only 300g, packs to a size no more than a 1L bottle and accommodates a user up to 200cm tall (XL).

The Zero UL Sleeping Bag uses the World's lightest downproof Nylon: Anti-Gravity Nylon. Superfine threads of only 7 denier are woven at over 520 threads per square inch, producing an incredibly light, super smooth downproof fabric: Anti-Gravity Nylon weighs only approximately, 21grams per square metre!

Anti-Gravity Nylon is extremely light but also sufficiently durable thanks to its super-high thread count, mini-ripstop weave & a double cire heat treatment that also increases down-proofness.

The exceptionally low weight of Anti-Gravity Nylon also allows down to loft to its full potential with minimal restriction, meaning more warmth with less down, less weight & less bulk.

Women/Cold Sleepers : 12°C / 53°F
Men/Warm Sleepers : 6°C / 42°F

Weight: 294g

FEATURES

Key Features

  • Perfect for Bike Packing, Ultralight Bushwalking, or as an extender
  • The world's lightest full-size down sleeping bag
  • Compresses to a tiny 1L package
  • Made with Anti-Gravity Nylon inside and out, the World's lightest downproof Nylon: 7 denier with mini rip-stop, a thread count in excess of 520, double heavy cire downproof treatment, and weighing only ~21g/m2!
  • 120g of 1000+ loft 98/2 Premium RDS White Goose Down with water resistant DWR Loft treatment
  • Vertical baffles on torso maintain optimal down distribution
  • 1/2 side zip using ultralight YKK #3 Zip weighs only 4grams
  • Mini-baffles with sewn-through construction
  • Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams and inside the shell
  • Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams and inside the shell
  • Hoodless construction
  • Includes ultralight Nylon stuff sack & large storage sack

TECHNICAL SPECS

  • Intended use: Ultralight Adventure
  • Season Rating: 2 Season
  • Women &/or Cold Sleeper: 13°C / 55°F
  • Men &/or Warm Sleeper: 7°C / 45°F
  • Shell fabric: Ultralight Anti-Gravity Nylon
  • Lining fabric: 100% recycled ultralight silk-touch 15 denier downproof Nylon
  • Standard size: weight 120 g fill, 294g total
  • Packed size*: 12x26cm
  • Down rating: 1000 loft premium white goose down
  • Down treatment: Water resistant DWR Loft treatment
  • Zip side: Left
  • Zip configuration: Ultralight 1/2 length side zip
  • Colour: Shadow/Black 

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